CN108563002B - Optical camera lens group and image capturing device - Google Patents
Optical camera lens group and image capturing device Download PDFInfo
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- CN108563002B CN108563002B CN201810386097.2A CN201810386097A CN108563002B CN 108563002 B CN108563002 B CN 108563002B CN 201810386097 A CN201810386097 A CN 201810386097A CN 108563002 B CN108563002 B CN 108563002B
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Abstract
The invention discloses an optical camera lens group and an image capturing device. The optical image capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The object-side surface and the image-side surface of the fifth lens element are aspheric. The object-side surface and the image-side surface of the sixth lens element are aspheric. The invention also discloses an image capturing device with the optical camera lens group and an electronic device with the image capturing device. When the specific conditions are satisfied, the optical imaging lens assembly has better long-range shooting capability and can effectively maintain the miniaturization of the optical imaging lens assembly.
Description
The present application is a divisional application of patent applications with application dates 2014, 12 and 30, application number 201410839875.0, entitled "optical imaging lens assembly, image capturing device and electronic device".
Technical Field
The present invention relates to an optical image capturing lens assembly and an image capturing device, and more particularly, to a miniaturized optical image capturing lens assembly and an image capturing device applied to an electronic device.
Background
In recent years, with the rise of electronic products having a photographing function, the demand for optical systems has been increasing. The photosensitive elements of a general optical system are not limited to a Charge Coupled Device (CCD) or a Complementary Metal-Oxide Semiconductor (CMOS) Sensor, and with the refinement of Semiconductor process technology, the pixel size of the photosensitive elements is reduced, and the optical system gradually develops into a high pixel field, so that the requirements for imaging quality are increased.
The conventional optical system mounted on an electronic product mainly adopts a four-piece or five-piece lens structure, but due to the prevalence of high-specification mobile devices such as Smart phones (Smart phones) and Tablet PCs (Tablet PCs), the pixel and imaging quality of the optical system is rapidly increased, and the known optical system cannot meet the requirement of a higher-order photographing system.
Although a six-lens optical system has been developed, the refractive power of the first lens element cannot be effectively moved toward the object side, so that the optical system cannot simultaneously shorten the back focus under a configuration with a small viewing angle, and stray light is easily generated. Moreover, the surface shape of the fifth lens element cannot reduce the generation of stray light, resulting in poor overall imaging quality.
Disclosure of Invention
The present invention is directed to an optical image capturing lens assembly and an image capturing device, wherein a positive refractive power is configured on a first lens element, and the positive refractive power can move the refractive power of the entire optical image capturing lens assembly toward an object side, thereby facilitating shortening of a back focal length and reducing a change of a refractive angle when light enters the optical image capturing lens assembly under a configuration of a small viewing angle, so as to avoid generation of stray light such as surface reflection. Moreover, when the specific stirp device is relatively compact, the device can have a better far-lens photographing capability, and the miniaturization of the optical photographing lens group can be effectively maintained.
According to the present invention, an optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The object-side surface and the image-side surface of the fifth lens element are aspheric. The object-side surface and the image-side surface of the sixth lens element are aspheric. The optical shooting lens group comprises six lenses and no relative movement exists between the lenses. The first lens has an abbe number of V1, the second lens has an abbe number of V2, the third lens has an abbe number of V3, the fourth lens has an abbe number of V4, the fifth lens has an abbe number of V5, and the sixth lens has an abbe number of V6, wherein at least two of V1, V2, V3, V4, V5, and V6 are less than 27. The focal length of the optical image capturing lens assembly is f, the maximum image height of the optical image capturing lens assembly is ImgH, and the distance from the object-side surface of the first lens element to the image plane on the optical axis is TL, which satisfies the following conditions:
2.15< f/ImgH < 3.5; and
0.70<TL/f≤1.09。
according to the present invention, an image capturing device is further provided, which includes the optical image capturing lens assembly as described in the previous paragraph and an electronic photosensitive element disposed on an image plane of the optical image capturing lens assembly.
According to another aspect of the present invention, an optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The object-side surface and the image-side surface of the fifth lens element are aspheric. The image-side surface of the sixth lens element is concave at the paraxial region and has at least one convex surface at the off-axis region, and both the object-side surface and the image-side surface of the sixth lens element are aspheric. The optical shooting lens group comprises six lenses, no relative movement exists among the lenses, the first lens has an abbe number of V1, the second lens has an abbe number of V2, the third lens has an abbe number of V3, the fourth lens has an abbe number of V4, the fifth lens has an abbe number of V5, and the sixth lens has an abbe number of V6, wherein at least two of V1, V2, V3, V4, V5 and V6 are smaller than 27. The focal length of the optical image capturing lens assembly is f, the maximum image height of the optical image capturing lens assembly is ImgH, and the distance from the object-side surface of the first lens element to the image plane on the optical axis is TL, which satisfies the following conditions:
2.15< f/ImgH < 3.5; and
0.70<TL/f≤1.09。
according to the present invention, an image capturing device is further provided, which includes the optical image capturing lens assembly as described in the previous paragraph and an electronic photosensitive element disposed on an image plane of the optical image capturing lens assembly.
According to another aspect of the present invention, an optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The object-side surface and the image-side surface of the fifth lens element are aspheric. The object-side surface and the image-side surface of the sixth lens element are aspheric. The optical shooting lens group comprises six lenses and no relative movement exists between the lenses. The first lens has an abbe number of V1, the second lens has an abbe number of V2, the third lens has an abbe number of V3, the fourth lens has an abbe number of V4, the fifth lens has an abbe number of V5, and the sixth lens has an abbe number of V6, wherein at least three of V1, V2, V3, V4, V5 and V6 are less than 27. The focal length of the optical image capturing lens assembly is f, the maximum image height of the optical image capturing lens assembly is ImgH, and the distance from the object-side surface of the first lens element to the image plane on the optical axis is TL, which satisfies the following conditions:
2.0< f/ImgH; and
0.70<TL/f<1.15。
according to the present invention, an image capturing device is further provided, which includes the optical image capturing lens assembly as described in the previous paragraph and an electronic photosensitive element disposed on an image plane of the optical image capturing lens assembly.
When the f/ImgH satisfies the above conditions, the light beam incident to the optical image capturing lens assembly can be controlled to focus the light beam in a specific area, so as to improve the capturing capability of high-resolution images in the specific area, and provide a better long-range shooting (Telephoto) capability.
When TL/f satisfies the above condition, the miniaturization of the optical image pickup lens group can be effectively maintained.
Drawings
Fig. 1 is a schematic view illustrating an image capturing apparatus according to a first embodiment of the invention;
FIG. 2 is a graph showing the spherical aberration, astigmatism and distortion of the first embodiment in order from left to right;
FIG. 3 is a schematic view illustrating an image capturing device according to a second embodiment of the present invention;
FIG. 4 is a graph showing the spherical aberration, astigmatism and distortion of the second embodiment in order from left to right;
FIG. 5 is a schematic view illustrating an image capturing apparatus according to a third embodiment of the present invention;
FIG. 6 is a graph showing the spherical aberration, astigmatism and distortion of the third embodiment in order from left to right;
FIG. 7 is a schematic view illustrating an image capturing apparatus according to a fourth embodiment of the present invention;
FIG. 8 is a graph showing the spherical aberration, astigmatism and distortion of the fourth embodiment in order from left to right;
fig. 9 is a schematic view illustrating an image capturing apparatus according to a fifth embodiment of the invention;
FIG. 10 is a graph showing the spherical aberration, astigmatism and distortion of the fifth embodiment in order from left to right;
fig. 11 is a schematic view illustrating an image capturing apparatus according to a sixth embodiment of the invention;
FIG. 12 is a graph showing spherical aberration, astigmatism and distortion curves of the sixth embodiment, in order from left to right;
FIG. 13 is a schematic diagram illustrating first lens parameters Dr1s and Dsr2 of the optical imaging lens assembly shown in FIG. 1;
FIG. 14 is a schematic view of an electronic device according to a seventh embodiment of the invention;
FIG. 15 is a schematic view of an electronic device according to an eighth embodiment of the invention; and
fig. 16 is a schematic view illustrating an electronic device according to a ninth embodiment of the invention.
[ notation ] to show
An electronic device: 10. 20, 30
An image taking device: 11. 21, 31
A first lens: 110. 210, 310, 410, 510, 610
An object-side surface: 111. 211, 311, 411, 511, 611
Image-side surface: 112. 212, 312, 412, 512, 612
A second lens: 120. 220, 320, 420, 520, 620
An object-side surface: 121. 221, 321, 421, 521, 621
Image-side surface: 122. 222, 322, 422, 522, 622
A third lens: 130. 230, 330, 430, 530, 630
An object-side surface: 131. 231, 331, 431, 531, 631
Image-side surface: 132. 232, 332, 432, 532, 632
A fourth lens: 140. 240, 340, 440, 540, 640
An object-side surface: 141. 241, 341, 441, 541, 641
Image-side surface: 142. 242, 342, 442, 542, 642
A fifth lens: 150. 250, 350, 450, 550, 650
An object-side surface: 151. 251, 351, 451, 551, 651
Image-side surface: 152. 252, 352, 452, 552, 652
A sixth lens: 160. 260, 360, 460, 560, 660
An object-side surface: 161. 261, 361, 461, 561, 661
Image-side surface: 162. 262, 362, 462, 562, 662
Infrared ray filtering filter element: 170. 270, 370, 470, 570, 670
Sheet glass: 575
Imaging surface: 180. 280, 380, 480, 580, 680
An electron-sensitive element: 190. 290, 390, 490, 590, 690
f: focal length of optical image pickup lens group
Fno: aperture value of optical image pickup lens group
HFOV: half of maximum angle of view in optical image pickup lens group
Dr1 s: the distance between the object side surface of the first lens and the aperture on the optical axis
Dsr 2: the distance between the aperture and the image side surface of the first lens on the optical axis
Σ AT: the sum of the distances between two adjacent lenses of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens on the optical axis
T12: the distance between the first lens and the second lens on the optical axis
T23: the distance between the second lens and the third lens on the optical axis
SL: distance between the aperture and the image plane on the optical axis
TL: the distance from the object side surface of the first lens element to the image plane on the optical axis
ImgH: maximum image height of optical image pickup lens group
R10: radius of curvature of image-side surface of fifth lens
V1: abbe number of first lens
V2: abbe number of second lens
V3: abbe number of third lens
V4: abbe number of fourth lens
V5: abbe number of fifth lens
V6: abbe number of sixth lens
Detailed Description
An optical image capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element, wherein the number of the lens elements having refractive power in the optical image capturing lens assembly is six, and no relative movement exists between the lens elements having refractive power. The optical shooting lens group also comprises a diaphragm which is arranged between the shot object and the third lens.
Any two adjacent lenses with refractive power in the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens of the optical image capturing lens assembly in the front section have a spacing distance therebetween; that is, the optical imaging lens assembly has six single non-cemented lenses. Since the process of bonding the lens is more complicated than that of non-bonding lens, especially the bonding surfaces of the two lenses need to have a curved surface with high accuracy, so as to achieve high degree of tightness when the two lenses are bonded, and the poor degree of tightness caused by deviation may be generated during the bonding process, which affects the overall optical imaging quality. Therefore, in the optical image capturing lens assembly of the present invention, a distance is formed between any two adjacent lenses with refractive power, which can effectively solve the problem caused by the adhesion of the lenses.
The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. Therefore, the refractive power of the whole optical camera lens group can be moved towards the object side, the arrangement of a small visual angle is facilitated, the back focal length is shortened, and the change of the refractive angle when light enters the optical camera lens group is slowed down, so that the generation of stray light such as surface reflection and the like is avoided.
The second lens element has negative refractive power for correcting aberration of the optical image capturing lens assembly to improve image quality.
The image side surface of the third lens can be a concave surface at the paraxial region, which is helpful for correcting the aberration of the optical shooting lens group.
The fifth lens element with positive refractive power has an image-side surface being convex at a paraxial region thereof. Therefore, the sensitivity of the optical shooting lens group can be effectively reduced, the shape change of the fifth lens is slowed down through the surface shape of the image side surface at the position close to the optical axis, the generation of stray light is reduced, and the forming property of the lens is improved.
The image-side surface of the sixth lens element can be concave at the paraxial region and can have at least one convex surface at the off-axis region. Therefore, the Principal Point (Principal Point) of the optical shooting lens group can be far away from the imaging surface, the back focal length of the optical shooting lens group can be favorably shortened to maintain miniaturization, the incident angle of off-axis field light can be effectively suppressed, and the response efficiency of the electronic photosensitive element is improved.
At least three surfaces of the object-side surface and the image-side surface of the first lens, the second lens, the third lens, the fourth lens and the fifth lens of the optical photographing lens group have at least one inflection point. Therefore, the astigmatism and the aberration of the off-axis field can be effectively corrected.
In addition, at least three lenses of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element of the optical imaging lens assembly have negative refractive power. Therefore, the correction of the aberration of the whole optical shooting lens group is facilitated, and the imaging quality is maintained.
The focal length of the optical shooting lens group is f, the maximum image height of the optical shooting lens group is ImgH, and the following conditions are satisfied: 2.0< f/ImgH. Therefore, the light beam incident to the optical camera lens group can be controlled, the focusing range of the light beam is concentrated in a certain specific area at a distance, the capturing capability of the high-resolution image of the specific area is improved, and the high-resolution image capturing lens has better Telephoto capability. Preferably, the following conditions are satisfied: 2.15< f/ImgH < 3.5.
The curvature radius of the image side surface of the fifth lens is R10, the focal length of the optical shooting lens group is f, and R10/f is less than 0. Therefore, the surface shape of the image side surface of the fifth lens at the position close to the optical axis can slow down the shape change of the fifth lens, reduce the generation of stray light and improve the forming property of the lens. Preferably, it satisfies the following conditions: -1.25< R10/f < 0. More preferably, it satisfies the following conditions: -1.0< R10/f < -0.1.
Half of the maximum viewing angle in the optical image pickup lens group is HFOV, which satisfies the following conditions: 10.0 degrees < HFOV <25.0 degrees. Therefore, the optical lens has a proper field angle and an image capturing range, and stray light is avoided.
The sum of the distances between two adjacent lenses of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element on the optical axis is Σ AT, the distance between the first lens element and the second lens element on the optical axis is T12, and the distance between the second lens element and the third lens element on the optical axis is T23, which satisfies the following conditions: 5.0< Σ AT/(T12+ T23). Therefore, the lens is favorable for assembling the lens so as to improve the manufacturing qualified rate.
An axial separation distance between the object-side surface of the first lens element and the stop is Dr1s (Dr 1s is positive if the object-side surface of the first lens element is closer to the object side than the stop center, Dr1s is negative if the object-side surface of the first lens element is closer to the image side than the stop center), an axial separation distance between the stop and the image-side surface of the first lens element is Dsr2 (Dsr 2 is positive if the stop center is closer to the object side than the image-side surface of the first lens element, Dsr2 is negative if the stop center is closer to the image side than the image-side surface), which satisfies the following conditions: 0.60< Dr1s/Dsr 2. Therefore, the refractive power of the optical camera lens group can be moved forward through the first lens, the change of the refractive angle when light enters is slowed down, and stray light is reduced.
The optical image capturing lens assembly has a focal length f, and a distance TL from the object-side surface of the first lens element to the image plane on the optical axis, wherein the following conditions are satisfied: 0.70< TL/f < 1.15. Therefore, the miniaturization of the optical image pickup lens group can be effectively maintained.
The distance from the aperture stop to the image plane on the optical axis is SL, and the distance from the object-side surface of the first lens element to the image plane on the optical axis is TL, which satisfy the following conditions: 0.85< SL/TL < 1.05. Therefore, the telecentric and wide-angle characteristics can be well balanced, and the total length of the optical shooting lens group is not too long.
The first lens has an abbe number of V1, the second lens has an abbe number of V2, the third lens has an abbe number of V3, the fourth lens has an abbe number of V4, the fifth lens has an abbe number of V5, and the sixth lens has an abbe number of V6, wherein at least two of V1, V2, V3, V4, V5, and V6 are less than 27. Therefore, the correction of chromatic aberration of the optical shooting lens group is facilitated.
In the optical image capturing lens assembly provided by the present invention, the lens can be made of plastic or glass. When the lens is made of plastic, the production cost can be effectively reduced. In addition, when the lens is made of glass, the degree of freedom of the refractive power configuration of the optical image capturing lens assembly can be increased. In addition, the object side surface and the image side surface of the optical image capturing lens assembly can be Aspheric Surfaces (ASP), which can be easily made into shapes other than spherical surfaces to obtain more control variables for reducing aberration and further reducing the number of lenses used, thereby effectively reducing the total length of the optical image capturing lens assembly.
In addition, in the optical imaging lens assembly provided by the invention, if the lens surface is a convex surface and the position of the convex surface is not defined, the lens surface is a convex surface at a position close to the optical axis; if the lens surface is concave and the concave position is not defined, it means that the lens surface is concave at the paraxial region. In the image capturing lens system provided by the present invention, if the lens element has positive refractive power or negative refractive power, or the focal length of the lens element, the refractive power or the focal length of the lens element at the paraxial region thereof is referred to.
In addition, in the optical photographing lens assembly, at least one diaphragm can be arranged according to requirements so as to reduce stray light and be beneficial to improving the image quality.
The image plane of the optical image capturing lens assembly of the present invention may be a plane or a curved plane with any curvature, especially a curved plane with a concave surface facing the object side, depending on the corresponding electronic photosensitive device.
In the optical imaging lens assembly of the present invention, the stop arrangement may be a front stop, i.e. the stop is disposed between the object and the first lens, or a middle stop, i.e. the stop is disposed between the first lens and the image plane. If the diaphragm is a front diaphragm, a longer distance can be generated between an Exit Pupil (Exit Pupil) of the optical photographing lens group and an imaging surface, so that the optical photographing lens group has a Telecentric (telecentricity) effect, and the image receiving efficiency of a CCD (charge coupled device) or a CMOS (complementary metal oxide semiconductor) of the electronic photosensitive element can be increased; the intermediate diaphragm is beneficial to enlarging the field angle of the system, so that the optical shooting lens group has the advantage of a wide-angle lens.
The invention can also be applied to electronic devices such as three-dimensional (3D) image acquisition, digital cameras, mobile products, tablet computers, smart televisions, network monitoring equipment, motion sensing game machines, automobile recorders, backing-up developing devices, wearable products and the like in many ways.
The invention provides an image capturing device, which comprises the optical image capturing lens group and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on an imaging surface of the optical image capturing lens group. The configuration of the positive refractive power of the first lens element in the optical image capturing lens assembly can move the refractive power of the entire optical image capturing lens assembly toward the object side, which is beneficial to shortening the back focal length and slowing down the change of the refractive angle when light enters the optical image capturing lens assembly under the configuration of a small visual angle, so as to avoid the generation of stray light such as surface reflection and the like. Moreover, the surface shape of the image side surface of the fifth lens of the optical shooting lens group at the position close to the optical axis can reduce the shape change of the fifth lens, reduce the generation of stray light and improve the forming property of the lens. Preferably, the image capturing device may further include a Barrel (Barrel Member), a Holder (Holder Member), or a combination thereof.
The invention provides an electronic device comprising the image capturing device. Therefore, the imaging quality is improved. Preferably, the electronic device may further include a Control Unit (Control Unit), a Display Unit (Display), a Storage Unit (Storage Unit), a Random Access Memory (RAM), or a combination thereof.
The following provides a detailed description of the embodiments with reference to the accompanying drawings.
< first embodiment >
Referring to fig. 1 and fig. 2, wherein fig. 1 is a schematic diagram of an image capturing device according to a first embodiment of the invention, and fig. 2 is a graph of spherical aberration, astigmatism and distortion of the first embodiment in order from left to right. As shown in fig. 1, the image capturing device of the first embodiment includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element 190. The optical image capturing lens assembly includes, in order from an object side to an image side, an aperture stop 100, a first lens element 110, a second lens element 120, a third lens element 130, a fourth lens element 140, a fifth lens element 150, a sixth lens element 160, an ir-cut filter element 170, and an image plane 180, and the electronic sensor 190 is disposed on the image plane 180 of the optical image capturing lens assembly, wherein the number of the lens elements with refractive power in the optical image capturing lens assembly is six (110 and 160), a distance is provided between any two adjacent lens elements with refractive power, and the lens elements with refractive power do not move relative to each other.
The first lens element 110 with positive refractive power has an object-side surface 111 being convex in a paraxial region thereof and an image-side surface 112 being concave in a paraxial region thereof.
The second lens element 120 with negative refractive power has an object-side surface 121 being convex in a paraxial region thereof and an image-side surface 122 being concave in a paraxial region thereof. In addition, the object-side surface 121 and the image-side surface 122 of the second lens element have at least one inflection point.
The third lens element 130 with positive refractive power has an object-side surface 131 being convex in a paraxial region thereof and an image-side surface 132 being convex in a paraxial region thereof. In addition, the object-side surface 131 and the image-side surface 132 of the third lens element have at least one inflection point.
The fourth lens element 140 with positive refractive power has an object-side surface 141 being convex in a paraxial region thereof and an image-side surface 142 being concave in a paraxial region thereof. In addition, the object-side surface 141 and the image-side surface 142 of the fourth lens element have at least one inflection point.
The fifth lens element 150 with positive refractive power has an object-side surface 151 being concave in a paraxial region thereof and an image-side surface 152 being convex in a paraxial region thereof. In addition, the fifth lens element image-side surface 152 has at least one inflection point.
The sixth lens element 160 with negative refractive power has an object-side surface 161 being concave in a paraxial region thereof and an image-side surface 162 being concave in a paraxial region thereof. In addition, the sixth lens element has an image-side surface 162 with at least one convex surface on an off-axis basis.
The ir-cut filter 170 is made of glass, and is disposed between the sixth lens element 160 and the image plane 180 without affecting the focal length of the optical image capturing lens assembly.
The curve equation of the aspherical surface of each lens described above is as follows:
wherein:
x: the distance between the point on the aspheric surface, which is Y from the optical axis, and the relative distance between the point and the tangent plane of the intersection point tangent to the aspheric surface optical axis;
y: the perpendicular distance between a point on the aspheric curve and the optical axis;
r: a radius of curvature;
k: the cone coefficient; and
ai: the ith order aspheric coefficients.
In the optical image capturing lens assembly of the first embodiment, the focal length of the optical image capturing lens assembly is f, the aperture value (f-number) of the optical image capturing lens assembly is Fno, and half of the maximum field angle in the optical image capturing lens assembly is HFOV, and the numerical values thereof are as follows: f is 6.61 mm; fno 2.35; and HFOV 23.0 degrees.
Referring to fig. 13, a schematic diagram of parameters Dr1s and Dsr2 of the first lens 110 of the optical imaging lens assembly of fig. 1 is shown. In fig. 13, an axial distance between the first lens element object-side surface 111 and the stop 100 is Dr1s, an axial distance between the stop 100 and the first lens element image-side surface 112 is Dsr2, and the following conditions are satisfied: dr1s/Dsr2 is 2.46.
In the optical imaging lens assembly of the first embodiment, a sum of distances between two adjacent lenses of the first lens 110, the second lens 120, the third lens 130, the fourth lens 140, the fifth lens 150, and the sixth lens 160 is Σ AT, a distance between the first lens 110 and the second lens 120 on the optical axis is T12, and a distance between the second lens 120 and the third lens 130 on the optical axis is T23, which satisfies the following conditions: Σ AT/(T12+ T23) ═ 5.52.
In the optical image capturing lens assembly of the first embodiment, the distance from the stop 100 to the image plane 180 on the optical axis is SL, and the distance from the object-side surface 111 of the first lens element to the image plane 180 on the optical axis is TL, which satisfy the following conditions: SL/TL is 0.95.
In the optical imaging lens group of the first embodiment, the focal length of the optical imaging lens group is f, the maximum image height of the optical imaging lens group is ImgH (i.e. half of the diagonal length of the effective sensing area of the electronic photosensitive element 190), and the following conditions are satisfied: f/ImgH is 2.25.
In the optical image capturing lens assembly of the first embodiment, a focal length of the optical image capturing lens assembly is f, and an axial distance between the object-side surface 111 of the first lens element and the image plane 180 is TL, which satisfy the following conditions: TL/f is 1.04.
In the optical imaging lens group of the first embodiment, the focal length of the optical imaging lens group is f, and the radius of curvature of the image-side surface 152 of the fifth lens is R10, which satisfy the following conditions: r10/f-0.61.
In the optical imaging lens group of the first embodiment, the first lens 110 has an abbe number of V1, the second lens 120 has an abbe number of V2, the third lens 130 has an abbe number of V3, the fourth lens 140 has an abbe number of V4, the fifth lens 150 has an abbe number of V5, and the sixth lens 160 has an abbe number of V6, wherein at least two (V2, V4, V5) of V1, V2, V3, V4, V5, and V6 are less than 27.
The following list I and list II are referred to cooperatively.
In table one, the detailed structural data of the first embodiment of fig. 1 are shown, wherein the units of the radius of curvature, the thickness and the focal length are mm, and the surfaces 0-16 sequentially represent the surfaces from the object side to the image side. Table II shows aspheric data of the first embodiment, where k represents the cone coefficients in the aspheric curve equation, and A4-A14 represents the 4 th to 14 th order aspheric coefficients of each surface. In addition, the following tables of the embodiments correspond to the schematic diagrams and aberration graphs of the embodiments, and the definitions of the data in the tables are the same as those of the first and second tables of the first embodiment, which is not repeated herein.
< second embodiment >
Referring to fig. 3 and fig. 4, wherein fig. 3 is a schematic diagram of an image capturing device according to a second embodiment of the invention, and fig. 4 is a graph of spherical aberration, astigmatism and distortion of the second embodiment in order from left to right. As shown in fig. 3, the image capturing device of the second embodiment includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element 290. The optical image capturing lens assembly includes, in order from an object side to an image side, an aperture stop 200, a first lens element 210, a second lens element 220, a third lens element 230, a fourth lens element 240, a fifth lens element 250, a sixth lens element 260, an ir-cut filter 270, and an image plane 280, and the electronic sensor 290 is disposed on the image plane 280 of the optical image capturing lens assembly, wherein the number of the lens elements with refractive power in the optical image capturing lens assembly is six (210 and 260), a distance is provided between any two adjacent lens elements with refractive power, and the lens elements with refractive power do not move relative to each other.
The first lens element 210 with positive refractive power has an object-side surface 211 being convex in a paraxial region thereof and an image-side surface 212 being convex in a paraxial region thereof. In addition, the first lens image-side surface 212 has at least one inflection point.
The second lens element 220 with negative refractive power has an object-side surface 221 being convex in a paraxial region thereof and an image-side surface 222 being concave in a paraxial region thereof. In addition, the object-side surface 221 and the image-side surface 222 of the second lens element have at least one inflection point.
The third lens element 230 with positive refractive power has an object-side surface 231 being convex in a paraxial region thereof and an image-side surface 232 being convex in a paraxial region thereof. In addition, the object-side surface 231 and the image-side surface 232 of the third lens element each have at least one inflection point.
The fourth lens element 240 with negative refractive power has an object-side surface 241 being convex in a paraxial region thereof and an image-side surface 242 being concave in a paraxial region thereof. In addition, the object-side surface 241 of the fourth lens element has at least one inflection point.
The fifth lens element 250 with positive refractive power has an object-side surface 251 being concave in a paraxial region thereof and an image-side surface 252 being convex in a paraxial region thereof. In addition, the object-side surface 251 and the image-side surface 252 of the fifth lens element have at least one inflection point.
The sixth lens element 260 with negative refractive power has an object-side surface 261 being concave in a paraxial region thereof and an image-side surface 262 being concave in a paraxial region thereof. In addition, the image-side surface 262 of the sixth lens element has at least one convex surface at an off-axis position.
The ir-cut filter 270 is made of glass, and is disposed between the sixth lens element 260 and the image plane 280 without affecting the focal length of the optical image capturing lens assembly. See also table three and table four below.
In the second embodiment, the curve equation of the aspherical surface represents the form as in the first embodiment. In addition, the following parameters are defined in the same way as in the first embodiment and will not be described herein.
The following data can be calculated by matching table three and table four:
in the optical imaging lens group of the second embodiment, the first lens 210 has an abbe number of V1, the second lens 220 has an abbe number of V2, the third lens 230 has an abbe number of V3, the fourth lens 240 has an abbe number of V4, the fifth lens 250 has an abbe number of V5, and the sixth lens 260 has an abbe number of V6, wherein at least two (V2, V4) of V1, V2, V3, V4, V5, and V6 are less than 27.
< third embodiment >
Referring to fig. 5 and fig. 6, wherein fig. 5 is a schematic diagram of an image capturing apparatus according to a third embodiment of the present invention, and fig. 6 is a graph of spherical aberration, astigmatism and distortion of the third embodiment in order from left to right. As shown in fig. 5, the image capturing device of the third embodiment includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element 390. The optical image capturing lens assembly includes, in order from an object side to an image side, a first lens element 310, an aperture stop 300, a second lens element 320, a third lens element 330, a fourth lens element 340, a fifth lens element 350, a sixth lens element 360, an ir-cut filter 370 and an image plane 380, and an electronic sensor 390 disposed on the image plane 380 of the optical image capturing lens assembly, wherein the number of the lens elements with refractive power in the optical image capturing lens assembly is six (310 and 360), a distance is provided between any two adjacent lens elements with refractive power, and the lens elements with refractive power do not move relative to each other.
The first lens element 310 with positive refractive power has an object-side surface 311 being convex in a paraxial region thereof and an image-side surface 312 being convex in a paraxial region thereof. In addition, the image-side surface 312 of the first lens element has at least one inflection point.
The second lens element 320 with positive refractive power has an object-side surface 321 being convex in a paraxial region thereof and an image-side surface 322 being convex in a paraxial region thereof.
The third lens element 330 with negative refractive power has an object-side surface 331 being concave in a paraxial region thereof and an image-side surface 332 being concave in a paraxial region thereof. In addition, the object-side surface 331 and the image-side surface 332 of the third lens element have at least one inflection point.
The fourth lens element 340 with negative refractive power has an object-side surface 341 being concave in a paraxial region thereof and an image-side surface 342 being concave in a paraxial region thereof. In addition, the object-side surface 341 and the image-side surface 342 of the fourth lens element have at least one inflection point.
The fifth lens element 350 with positive refractive power has an object-side surface 351 being concave in a paraxial region thereof and an image-side surface 352 being convex in a paraxial region thereof. In addition, the object-side surface 351 and the image-side surface 352 of the fifth lens element have at least one inflection point.
The sixth lens element 360 with negative refractive power has an object-side surface 361 being convex in a paraxial region thereof and an image-side surface 362 being concave in a paraxial region thereof. In addition, the sixth lens element has an image-side surface 362 with at least one convex surface at an off-axis position.
The ir-cut filter 370 is made of glass, and is disposed between the sixth lens element 360 and the image plane 380 without affecting the focal length of the optical image capturing lens assembly.
See also table five and table six below.
In the third embodiment, the curve equation of the aspherical surface represents the form as in the first embodiment. In addition, the following parameters are defined in the same way as in the first embodiment and will not be described herein.
The following data can be derived by matching table five and table six:
< fourth embodiment >
Referring to fig. 7 and 8, wherein fig. 7 is a schematic diagram of an image capturing apparatus according to a fourth embodiment of the invention, and fig. 8 is a graph of spherical aberration, astigmatism and distortion of the fourth embodiment in order from left to right. As shown in fig. 7, the image capturing device of the fourth embodiment includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element 490. The optical image capturing lens assembly includes, in order from an object side to an image side, an aperture stop 400, a first lens element 410, a second lens element 420, a third lens element 430, a fourth lens element 440, a fifth lens element 450, a sixth lens element 460, an ir-cut filter 470 and an image plane 480, and the electro-optic sensor 490 is disposed on the image plane 480 of the optical image capturing lens assembly, wherein the number of the lens elements with refractive power in the optical image capturing lens assembly is six (410 and 460), a distance is provided between any two adjacent lens elements with refractive power, and the lens elements with refractive power do not move relative to each other.
The first lens element 410 with positive refractive power has an object-side surface 411 being convex in a paraxial region thereof and an image-side surface 412 being convex in a paraxial region thereof. In addition, the image-side surface 412 of the first lens element has at least one inflection point.
The second lens element 420 with negative refractive power has an object-side surface 421 being convex in a paraxial region thereof and an image-side surface 422 being concave in a paraxial region thereof. In addition, the second lens object side surface 421 has at least one inflection point.
The third lens element 430 with negative refractive power has an object-side surface 431 being convex in a paraxial region thereof and an image-side surface 432 being concave in a paraxial region thereof.
The fourth lens element 440 with positive refractive power has an object-side surface 441 being concave in a paraxial region thereof and an image-side surface 442 being convex in a paraxial region thereof. In addition, the fourth lens element image-side surface 442 has at least one inflection point.
The fifth lens element 450 with positive refractive power has an object-side surface 451 being concave in a paraxial region thereof and an image-side surface 452 being convex in a paraxial region thereof.
The sixth lens element 460 with negative refractive power has an object-side surface 461 being concave in a paraxial region thereof and an image-side surface 462 being concave in a paraxial region thereof. In addition, the sixth lens element has an image-side surface 462 with at least one convex surface at an off-axis position.
The ir-cut filter 470 is made of glass, and is disposed between the sixth lens element 460 and the image plane 480 without affecting the focal length of the optical image capturing lens assembly.
See table seven below in conjunction with table eight.
In the fourth embodiment, the curve equation of the aspherical surface represents the form as in the first embodiment. In addition, the following parameters are defined in the same way as in the first embodiment and will not be described herein.
The following data can be derived by matching table seven and table eight:
in the optical imaging lens group according to the fourth embodiment, the first lens 410 has an abbe number of V1, the second lens 420 has an abbe number of V2, the third lens 430 has an abbe number of V3, the fourth lens 440 has an abbe number of V4, the fifth lens 450 has an abbe number of V5, and the sixth lens 460 has an abbe number of V6, wherein at least two (V2, V4) of V1, V2, V3, V4, V5, and V6 are smaller than 27.
< fifth embodiment >
Referring to fig. 9 and 10, fig. 9 is a schematic diagram illustrating an image capturing device according to a fifth embodiment of the invention, and fig. 10 is a graph illustrating spherical aberration, astigmatism and distortion of the fifth embodiment in order from left to right. As shown in fig. 9, the image capturing device of the fifth embodiment includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element 590. The optical image capturing lens assembly includes, in order from an object side to an image side, an aperture stop 500, a first lens element 510, a second lens element 520, a third lens element 530, a fourth lens element 540, a fifth lens element 550, a sixth lens element 560, an ir-cut filter element 570, a Cover Glass 575, and an image plane 580, and the electro-optic sensor 590 is disposed on the image plane 580 of the optical image capturing lens assembly, wherein the number of the lens elements with refractive power in the optical image capturing lens assembly is six (510 and 560), a distance is provided between any two adjacent lens elements with refractive power, and the lens elements with refractive power do not move relative to each other.
The first lens element 510 with positive refractive power has an object-side surface 511 being convex in a paraxial region thereof and an image-side surface 512 being convex in a paraxial region thereof. In addition, the first lens object side surface 511 has at least one inflection point.
The second lens element 520 with negative refractive power has an object-side surface 521 being concave in a paraxial region thereof and an image-side surface 522 being concave in a paraxial region thereof. In addition, the second lens object side surface 521 has at least one inflection point.
The third lens element 530 with negative refractive power has an object-side surface 531 being convex in a paraxial region thereof and an image-side surface 532 being concave in a paraxial region thereof.
The fourth lens element 540 with negative refractive power has an object-side surface 541 being convex in a paraxial region thereof and an image-side surface 542 being concave in a paraxial region thereof. In addition, the fourth lens object-side surface 541 has at least one inflection point.
The fifth lens element 550 with positive refractive power has an object-side surface 551 being concave in a paraxial region thereof and an image-side surface 552 being convex in a paraxial region thereof. In addition, the object-side surface 551 and the image-side surface 552 of the fifth lens element each have at least one inflection point.
The sixth lens element 560 with negative refractive power has an object-side surface 561 being convex in a paraxial region thereof and an image-side surface 562 being concave in a paraxial region thereof. In addition, the sixth lens element has an image-side surface 562 with at least one convex surface disposed off-axis.
The ir-cut filter 570 and the Cover Glass 575 are made of Glass materials, and are sequentially disposed between the sixth lens element 560 and the image plane 580 without affecting the focal length of the optical image capturing lens assembly.
The following table nine and table ten are referred to cooperatively.
In the fifth embodiment, the curve equation of the aspherical surface represents the form as in the first embodiment. In addition, the following parameters are defined in the same way as in the first embodiment and will not be described herein.
The following data can be derived from tables nine and ten:
in the optical imaging lens group of the fifth embodiment, the first lens 510 has an abbe number of V1, the second lens 520 has an abbe number of V2, the third lens 530 has an abbe number of V3, the fourth lens 540 has an abbe number of V4, the fifth lens 550 has an abbe number of V5, and the sixth lens 560 has an abbe number of V6, wherein at least two (V2, V3, V5, V6) of V1, V2, V3, V4, V5, and V6 are less than 27.
< sixth embodiment >
Referring to fig. 11 and 12, wherein fig. 11 is a schematic diagram illustrating an image capturing device according to a sixth embodiment of the invention, and fig. 12 is a graph illustrating spherical aberration, astigmatism and distortion in the sixth embodiment from left to right. As shown in fig. 11, the image capturing device of the sixth embodiment includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element 690. The optical image capturing lens assembly includes, in order from an object side to an image side, an aperture stop 600, a first lens element 610, a second lens element 620, a third lens element 630, a fourth lens element 640, a fifth lens element 650, a sixth lens element 660, an ir-cut filter element 670, and an image plane 680, and an electro-optic sensor element 690 is disposed on the image plane 680 of the optical image capturing lens assembly, wherein the number of the lens elements with refractive power in the optical image capturing lens assembly is six (610) and 660), a distance is provided between any two adjacent lens elements with refractive power, and the lens elements with refractive power do not move relative to each other.
The first lens element 610 with positive refractive power has an object-side surface 611 being convex in a paraxial region thereof and an image-side surface 612 being convex in a paraxial region thereof. In addition, the first lens image-side surface 612 has at least one inflection point.
The second lens element 620 with negative refractive power has an object-side surface 621 being concave in a paraxial region thereof and an image-side surface 622 being concave in a paraxial region thereof. In addition, the object-side surface 621 and the image-side surface 622 of the second lens element have at least one inflection point.
The third lens element 630 with negative refractive power has an object-side surface 631 being convex in a paraxial region thereof and an image-side surface 632 being concave in a paraxial region thereof. In addition, the third lens object side surface 631 has at least one inflection point.
The fourth lens element 640 with negative refractive power has an object-side surface 641 being convex in a paraxial region thereof and an image-side surface 642 being concave in a paraxial region thereof. In addition, the object-side surface 641 of the fourth lens element has at least one inflection point.
The fifth lens element 650 with negative refractive power has an object-side surface 651 being concave in a paraxial region thereof and an image-side surface 652 being convex in a paraxial region thereof. In addition, the fifth lens object side surface 651 has at least one inflection point.
The sixth lens element 660 with positive refractive power has an object-side surface 661 being convex in a paraxial region thereof and an image-side surface 662 being concave in a paraxial region thereof. In addition, the sixth lens element image-side surface 662 has at least one convex surface at an off-axis position.
The ir-cut filter 670 is made of glass, and is disposed between the sixth lens element 660 and the image plane 680 without affecting the focal length of the optical image capturing lens assembly.
See also the following table eleven and table twelve.
In the sixth embodiment, the curve equation of the aspherical surface represents the form as in the first embodiment. In addition, the following parameters are defined in the same way as in the first embodiment and will not be described herein.
The following data can be derived from table eleven and table twelve:
in the optical imaging lens group according to the sixth embodiment, the first lens 610 has an abbe number of V1, the second lens 620 has an abbe number of V2, the third lens 630 has an abbe number of V3, the fourth lens 640 has an abbe number of V4, the fifth lens 650 has an abbe number of V5, and the sixth lens 660 has an abbe number of V6, wherein at least two (V2, V3, V5, V6) of V1, V2, V3, V4, V5, and V6 are less than 27.
< seventh embodiment >
Fig. 14 is a schematic diagram illustrating an electronic device 10 according to a seventh embodiment of the invention. The electronic device 10 of the seventh embodiment is a smart phone, and the electronic device 10 includes an image capturing device 11, where the image capturing device 11 includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element (not shown) according to the present invention, where the electronic photosensitive element is disposed on an image plane of the optical image capturing lens assembly.
< eighth embodiment >
Fig. 15 is a schematic diagram illustrating an electronic device 20 according to an eighth embodiment of the invention. The electronic device 20 of the eighth embodiment is a tablet computer, and the electronic device 20 includes an image capturing device 21, where the image capturing device 21 includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element (not shown) according to the present invention, where the electronic photosensitive element is disposed on an image plane of the optical image capturing lens assembly.
< ninth embodiment >
Fig. 16 is a schematic view illustrating an electronic device 30 according to a ninth embodiment of the invention. The electronic device 30 of the ninth embodiment is a Head-mounted display (HMD), and the electronic device 30 includes an image capturing device 31, where the image capturing device 31 includes an optical image capturing lens assembly (not shown) and an electronic photosensitive element (not shown) according to the present invention, where the electronic photosensitive element is disposed on an image plane of the optical image capturing lens assembly.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (30)
1. An optical image capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element, wherein the first lens element has positive refractive power, a paraxial region of an object-side surface of the first lens element is a convex surface, surfaces of the fifth lens element and the image side surface of the fifth lens element are aspheric, and surfaces of the sixth lens element and the object-side surface and the image side surface of the sixth lens element are aspheric;
the optical shooting lens group comprises six lenses and no relative movement exists between the lenses;
wherein an abbe number of the first lens element is V1, an abbe number of the second lens element is V2, an abbe number of the third lens element is V3, an abbe number of the fourth lens element is V4, an abbe number of the fifth lens element is V5, an abbe number of the sixth lens element is V6, wherein at least two of V1, V2, V3, V4, V5, and V6 are less than 27, a focal length of the optical imaging lens assembly is f, a maximum image height of the optical imaging lens assembly is ImgH, a distance between the object side surface of the first lens element and an imaging surface along the optical axis is TL, and the following conditions are satisfied:
2.15< f/ImgH < 3.5; and
0.70<TL/f≤1.09。
2. the optical imaging lens assembly of claim 1, wherein a distance is provided between any two adjacent lenses of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element.
3. The optical imaging lens assembly of claim 1, wherein the second lens element has negative refractive power.
4. The optical imaging lens assembly of claim 1, wherein the third lens element has negative refractive power.
5. The optical imaging lens assembly of claim 1, wherein the image-side surface of the third lens element is concave at a paraxial region.
6. An optical imaging lens assembly according to claim 1, wherein an object-side surface of the sixth lens element is convex at a position close to the optical axis.
7. The optical imaging lens assembly of claim 1, wherein the sixth lens element has at least one convex surface on an image-side surface thereof at an off-axis position.
8. The optical image capturing lens assembly of claim 1, wherein the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are all made of plastic material.
9. The optical imaging lens assembly of claim 1, wherein the sum of the distances between two adjacent lenses of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens is Σ AT, the distance between the first lens and the second lens on the optical axis is T12, and the distance between the second lens and the third lens on the optical axis is T23, which satisfies the following conditions:
5.0<ΣAT/(T12+T23)。
10. the optical imaging lens assembly of claim 1, further comprising an aperture stop, wherein an axial distance between the object-side surface of the first lens element and the aperture stop is Dr1s, and an axial distance between the aperture stop and the image-side surface of the first lens element is Dsr2, wherein the following requirements are satisfied:
0.60<Dr1s/Dsr2。
11. the optical imaging lens assembly of claim 1, wherein at least three of the object-side and image-side surfaces of the first, second, third, fourth, and fifth lenses have at least one inflection point.
12. An image capturing device, comprising:
an optical imaging lens group according to claim 1; and
and the electronic photosensitive element is arranged on the imaging surface of the optical shooting lens group.
13. An optical image capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element, wherein the first lens element has positive refractive power, a paraxial region of an object-side surface of the first lens element is a convex surface, both object-side and image-side surfaces of the fifth lens element are aspheric, a paraxial region of an image-side surface of the sixth lens element is a concave surface, and an off-axis region of the image-side surface of the sixth lens element is at least one convex surface;
the optical shooting lens group comprises six lenses and no relative movement exists between the lenses;
wherein an abbe number of the first lens element is V1, an abbe number of the second lens element is V2, an abbe number of the third lens element is V3, an abbe number of the fourth lens element is V4, an abbe number of the fifth lens element is V5, an abbe number of the sixth lens element is V6, wherein at least two of V1, V2, V3, V4, V5, and V6 are less than 27, a focal length of the optical imaging lens assembly is f, a maximum image height of the optical imaging lens assembly is ImgH, a distance between the object side surface of the first lens element and an imaging surface along the optical axis is TL, and the following conditions are satisfied:
2.15< f/ImgH < 3.5; and
0.70<TL/f≤1.09。
14. the optical imaging lens assembly of claim 13, wherein any two adjacent lenses of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element have a spacing distance therebetween.
15. The optical imaging lens assembly of claim 13, wherein the second lens element has negative refractive power.
16. The optical imaging lens assembly of claim 13, wherein the third lens element has negative refractive power.
17. An optical imaging lens assembly according to claim 13, wherein the object-side surface of the sixth lens element is convex at a position closer to the optical axis.
18. The optical imaging lens assembly of claim 13, wherein the sum of the distances between two adjacent lenses of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens is Σ AT, the distance between the first lens and the second lens on the optical axis is T12, and the distance between the second lens and the third lens on the optical axis is T23, which satisfies the following conditions:
5.0<ΣAT/(T12+T23)。
19. the optical imaging lens assembly of claim 13, wherein at least three of the object-side and image-side surfaces of the first, second, third, fourth, and fifth lenses have at least one inflection point.
20. An image capturing device, comprising:
an optical imaging lens group according to claim 13; and
and the electronic photosensitive element is arranged on the imaging surface of the optical shooting lens group.
21. An optical image capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element, wherein the first lens element has positive refractive power, a paraxial region of an object-side surface of the first lens element is a convex surface, surfaces of the fifth lens element and the image side surface of the fifth lens element are aspheric, and surfaces of the sixth lens element and the object-side surface and the image side surface of the sixth lens element are aspheric;
the optical shooting lens group comprises six lenses and no relative movement exists between the lenses;
wherein an abbe number of the first lens element is V1, an abbe number of the second lens element is V2, an abbe number of the third lens element is V3, an abbe number of the fourth lens element is V4, an abbe number of the fifth lens element is V5, an abbe number of the sixth lens element is V6, at least three of V1, V2, V3, V4, V5 and V6 are less than 27, a focal length of the optical imaging lens assembly is f, a maximum image height of the optical imaging lens assembly is ImgH, a distance between an object side surface of the first lens element and an imaging plane on an optical axis is TL, and the following conditions are satisfied:
2.0< f/ImgH; and
0.70<TL/f<1.15。
22. the optical imaging lens assembly of claim 21, wherein a distance is provided between any two adjacent lenses of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element.
23. The optical imaging lens assembly of claim 21, wherein the third lens element has negative refractive power.
24. The optical imaging lens assembly of claim 21, wherein the fourth lens element has negative refractive power.
25. An optical imaging lens assembly according to claim 21, wherein the sixth lens element has an object-side surface that is convex at about the optical axis.
26. The optical imaging lens assembly of claim 21, wherein the image-side surface of the sixth lens element is concave at the paraxial region and has at least one convex surface at the off-axis region.
27. The optical imaging lens assembly of claim 21, wherein the sum of the distances between two adjacent lenses of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens is Σ AT, the distance between the first lens and the second lens on the optical axis is T12, and the distance between the second lens and the third lens on the optical axis is T23, which satisfies the following conditions:
5.0<ΣAT/(T12+T23)。
28. the optical imaging lens assembly of claim 21, wherein at least three of the object-side and image-side surfaces of the first, second, third, fourth, and fifth lenses have at least one inflection point.
29. The optical imaging lens group of claim 21, wherein the first lens element has an abbe number of V1, the second lens element has an abbe number of V2, the third lens element has an abbe number of V3, the fourth lens element has an abbe number of V4, the fifth lens element has an abbe number of V5, and the sixth lens element has an abbe number of V6, wherein at least four of V1, V2, V3, V4, V5 and V6 are smaller than 27.
30. An image capturing device, comprising:
an optical imaging lens group according to claim 21; and
and the electronic photosensitive element is arranged on the imaging surface of the optical shooting lens group.
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| KR101883069B1 (en) * | 2016-09-12 | 2018-07-27 | 삼성전기주식회사 | Optical Imaging System |
| KR101912280B1 (en) | 2016-09-12 | 2018-10-29 | 삼성전기 주식회사 | Optical Imaging System |
| US10302911B2 (en) | 2016-09-12 | 2019-05-28 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
| KR102662849B1 (en) * | 2016-11-28 | 2024-05-03 | 삼성전기주식회사 | Optical Imaging System |
| CN106896472A (en) * | 2016-12-16 | 2017-06-27 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
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| JP7396788B2 (en) * | 2018-08-08 | 2023-12-12 | 東京晨美光学電子株式会社 | imaging lens |
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Also Published As
| Publication number | Publication date |
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| CN105807408B (en) | 2018-06-12 |
| CN105807408A (en) | 2016-07-27 |
| CN108563002A (en) | 2018-09-21 |
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