KR101489969B1 - Lens module for image pickup apparatus - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lens module for an imaging device, and more particularly, to a lens module for an imaging device, The present invention relates to a lens module for an imaging device capable of pop-up and storing operations in a horizontal direction of a first optical axis of a movable lens using a rotating part, and a device using the lens module. That is, in the OFF state, the first movable lens barrel is housed inside the rotation part. When the first movable lens barrel part is in ON state, the first movable lens barrel part protrudes to the front surface of the rotation part, Module, but it is possible to achieve the effect of a pneumatic digital camera, and by forming a larger angle of view, user convenience can be improved.

Single Focus, Camera, Module, Pop-Up, Barrier, Open / Close

Description

[0001] LENS MODULE FOR IMAGE PICKUP APPARATUS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lens module for an imaging device, and more particularly, to a lens module for an imaging device, The present invention relates to a lens module for an imaging device and a device using the lens module, wherein the movable lens can be popped up and housed in the horizontal direction of the first optical axis using a rotating part.

The present invention relates to a lens module for an imaging device. BACKGROUND ART [0002] A digital imaging device such as a digital camera or a camera for a mobile phone includes an optical system generally constituted by a lens, an imaging element disposed on the bottom surface of the lens portion, an image processing section for processing an electrical signal transmitted from the imaging element, The operation is performed as follows.

When a photographer makes a photograph, image light (light) of a subject passing through the lens is incident on an image pickup device such as a CCD or CMOS, and this image pickup device converts the incident image light (light) into an electric image signal , The image processing section processes the converted image signal, and the memory performs the photographing process by storing the photographed image.

Generally, in a lens constituting an optical system, a small-sized optical lens module applied to a mobile phone, unlike a digital camera, employs a short-focus lens, which is usually mounted on the front or rear side of the mobile phone And fixed.

However, from the viewpoint of the trend of the camera lens module market in the mobile phone showing a progressively higher pixelization trend, in the case of the existing single focus camera lens module, the outermost size and the angle of view of the mounted lens module are small, It has been acted as unsatisfactory factor.

Accordingly, there is an increasing need for a compact lens module having a different design and concept from a conventional low-pixel short-focus lens module as a lens module applicable to a portable imaging device such as a mobile phone.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a structure capable of differentiating from a conventional single focus camera lens module, There is a main object of the present invention to provide a lens module for an imaging device having a large diameter short-angle wide-angle camera lens module capable of maximizing the degree of freedom of product design when the lens module according to the present invention is actually mounted.

Further, the lens module structure and the size of the lens module that can realize the outermost lens module size can be maximized to thereby maximize the angle of view even though the lens module is a short-focus lens module, thereby doubling the photographing satisfaction of the photographer.

According to an aspect of the present invention, there is provided a zoom lens comprising: a first movable lens barrel unit disposed in a first optical axis direction opposite to a subject; and a second movable lens barrel unit disposed behind the first movable lens barrel unit, A second refracting lens barrel unit for refracting light in a direction of a second optical axis perpendicular to the first optical axis direction and a second refracting lens barrel unit for refracting light in a direction perpendicular to the first optical axis direction, A pop-up unit for enabling a pop-up of the first movable lens barrel unit in a direction of a first optical axis during a movement of the first movable lens barrel unit, and a pop- A fourth lens barrel part and a second lens barrel part which are arranged on one side of the rotation part so that the pop-up and receiving operations of the first movable lens barrel part and the opening and closing operations of the barrier part are interlocked by rotating the rotation part in the circumferential direction, Side protrudes in a direction characterized in that it comprises an operation consisting of.

Here, the first movable lens barrel unit may include at least one movable lens capable of maximizing a view angle within a range in which the outermost lens size of the lens module can be realized.

In addition, the fourth lens barrel portion may include at least one lens having a shape so as to accommodate the first movable lens barrel portion while being disposed in the second optical axis direction.

The POP-UP unit may be disposed between the first movable lens barrel unit and the second refractive lens barrel unit, and the first movable lens barrel unit may have elasticity to mediate elastic movement in the horizontal direction of the first optical axis. . In addition, a sensing portion provided inside the upper portion of the second refracting lens barrel portion and a sensing interlocking portion provided inside a portion of the inner diameter of the rotating portion may be further configured. When the rotating portion is rotated, the first movable lens barrel portion When the first movable lens barrel portion is housed in the OFF state, the sensing interlocking portion is shifted from the sensing portion in a pop-up state (ON-state), and the sensing interlocking portion faces the sensing portion. (OFF) state by maintaining the sensing area off the sensing area.

In the lens module for an image pickup apparatus according to the present invention, a first movable lens barrel part disposed in a direction of a first optical axis, which is a direction opposite to a subject, and a second movable lens barrel part provided to engage with an outer periphery of the first movable lens barrel part, And a second movable lens barrel unit having a first movable lens barrel unit and a second movable lens barrel unit. The first movable lens barrel unit includes a first movable lens barrel unit and a second movable lens barrel unit. And a pop-up portion that pops up the first movable lens barrel portion in the direction of the first optical axis in accordance with the rotation of the rotation portion, and an operation portion provided in the rotation portion and protruded and formed to rotate the rotation portion. .

As described above, when the lens module for an imaging apparatus according to the present invention is mounted on a mobile device, it is possible to greatly increase the outside diameter of the movable lens, unlike the existing single-focal lens module, . In addition, it has a pop-up structure that is housed in an OFF state and protrudes when it is turned ON, and thus can achieve the effect of a portable type digital camera when mounted on a mobile device .

In this case, miniaturization of the members constituting the second optical axis after the refracting member is realized, so that the present invention can be applied to small-sized mobile devices.

As a result, it is possible to increase the degree of freedom of the product design by adopting the storage structure so that the lens module that implements the POP-UP function in the mobile device is not protruded even when the lens module is actually mounted, do.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIGS. 1A and 1B are a perspective view and a partial cross-sectional view showing an OFF state of a lens module according to an embodiment of the present invention, and FIG. 2 is a perspective view showing an ON state of a lens module according to an embodiment of the present invention. FIGS. 3A and 3B are internal component construction diagrams of a lens module according to an embodiment of the present invention. FIG. 4A and FIG. 4B are diagrams illustrating a barrier close CLOSE state of a lens module according to an embodiment of the present invention. 5A and 5B are views showing a barrier open state of a lens module according to an embodiment of the present invention, and FIG. 6 is a cross-sectional view of a barrier of a lens module according to another embodiment of the present invention. FIG. 7 is a view showing the cam position in the OFF state of the lens module according to the embodiment of the present invention, and FIG. 8 is a view showing the cam position in the OFF state of the lens module according to the embodiment of the present invention. The position of the cam in the ON state of the lens module Drawing, and Figure 9 is a diagram showing a pop-up (POP-UP) the structure of the lens module of the embodiment of the present invention.

First, with reference to FIGS. 1A, 1B, 2 and 3, the overall structure of a lens module according to the present invention will be described.

The lens module for an image pickup apparatus according to the present invention includes a first movable lens barrel 110, a second refractive lens barrel 220, a mechanism shutter unit 400, a third lens barrel unit 520, A clip portion 530, barrier portions 131 and 132, and a rotation portion 300. [

The first movable lens barrel 110 is disposed inside the rotation unit 300, which will be described later, along the first optical axis OP1, which is a direction opposite to the subject.

The second refractive lens barrel 220 includes a first movable lens barrel 110 and a second movable lens barrel 110. The first movable lens barrel 110 is disposed behind the first movable lens barrel 110 and refracts incident light, And is disposed behind the first movable lens barrel 110 to discharge light in a second optical axis OP2 perpendicular to the first optical axis OP2.

The mechanism shutter unit 400 is provided to adjust the time and light amount of light.

 The third lens barrel 520 is disposed along the second optical axis OP2 to automatically focus.

The clip portion 530 is provided to transmit the power of the auto focus motor to the third lens barrel portion 520.

The barrier portions 131 and 132 are provided to protect the movable lens 100 of the first movable lens barrel 110.

The rotation unit 300 is provided to open the barrier units 131 and 132 while moving the first movable lens barrel unit 110 in the direction of the first optical axis OP1. 2, the feature of the present invention is that the photographing mode of the camera lens module applied to the mobile device can be turned on / off using the rotation unit 300, The first movable lens barrel 110 including the lens 100 can perform a POP-UP and a storage operation in the direction of the first optical axis OP1 facing the subject.

That is, as shown in FIGS. 1A and 1B, the lens module is housed in the mobile device in the OFF state. Then, as shown in FIG. 2, the lens module is rotated ) State, the lens module is ready for photographing. The turning part 300 simultaneously opens the barrier parts 131 and 132 to open the first movable lens barrel part 110 toward the subject in a forward direction Let it protrude as much as the distance.

Hereinafter, the camera module to which the multiple members are mounted will be described in detail with reference to the drawings, except for the structure capable of POP-UP and receipt of the rotation part 300 and the first movable lens barrel part 110 The configuration and functions thereof are the same as those of the conventional camera module, and a detailed description thereof will be omitted.

1A, 1B, and 2, the first optical axis OP1 direction refers to a direction opposite to the subject, and the second optical axis OP2 direction refers to the first optical axis OP1 The lenses 500 and 510 of the third lens barrel unit 520 and the lenses 600 and 610 of the fourth lens barrel unit 620 are deflected by 90 ° by the refraction member 200 in the direction of the optical axis, As shown in FIG.

2, 4A and 5A, the first movable lens barrel 110 is provided with a movable lens 100, barrier parts 131 and 132, and a barrier separation prevention part 150 And can be linearly moved with respect to the second refracting lens barrel 220.

At least one movable lens 100 is provided in the direction of the subject.

The barrier portions 131 and 132 protect the movable lens 100 of the first movable lens barrel 110 and open and close the movable lens 100 by pivoting the pivotal portion 300 And is provided on the front surface of the movable lens 100.

The barrier escape prevention portion 150 is provided on the front of the barrier portions 131 and 132 to prevent the barrier portions 131 and 132 from being separated. Here, the movable lens 100 is a short-focus lens mounted at a front end position from the one side of the mobile device on which the camera module is mounted toward the subject side. In the present invention, the movable lens 100 is configured to be larger than the conventional lens size, It is possible to obtain a large effect. In this case, the movable lens 100 will normally be a front lens group.

That is, the movable lens 100 plays a role of maximizing the angle of view in a range where the outermost diameter can be realized. In this case, the outer diameter of the first movable lens barrel 110 is in the range of 20 mm to 30 mm. desirable.

2, the second refractive lens barrel 220 includes a refractive member 200 for refracting the image light incident on the first optical axis OP1 toward the second optical axis OP2, And a stationary lens member 210. The movable lens barrel unit 110 has a structure capable of linear movement with respect to the first movable lens barrel unit 110. [ In this case, the refractive member 200 is formed of a conventional prism, and refracts the light incident on the first optical axis OP1 in a certain range in the direction of the second optical axis OP2.

2, 3A and 3B, the members on the first optical axis OP1 in the configuration of the lens module for an image pickup apparatus according to the present invention are formed so that the outer diameter Size camera lens module, the size of the members on the second optical axis OP2 formed after the refracting member 200 is minimized so that it can be mounted on a small mobile device.

As a result, even if the lens module is actually mounted on the mobile device, the lens module for the imaging device of the present invention does not protrude, so that the degree of freedom of the product design is increased and the thickness of the product, such as the mobile phone, on which the lens module is mounted is not limited.

That is, the size of the first movable lens barrel 110 having one or more movable lenses 100 is increased, but this is only a planar limitation. The front projection of the first movable lens barrel 110 by pop-up (POP-UP) is generated from the outermost surface of the mobile device. Since the first movable lens barrel 110 is slid along the cam shape 300c of the rotation unit 300 and is drawn into the rotation unit 300 during the storage of the first movable lens barrel unit 110, It will not go crazy.

In the present invention, the rotation part 300 is formed in a cylindrical shape having a predetermined thickness to accommodate the shape of the first movable lens barrel part 110 including the movable lens 100.

2 and 9, the fourth lens barrel unit 620 is disposed in the second optical axis OP2 direction and is configured to accommodate the first movable lens barrel unit 110 It is preferable to include at least one lens 600 and 610 in the shape.

2, the first lens barrel part 620 has a lower inner side surface on which a first movable lens barrel part 110 is housed, Grooves 621 are formed.

2, the rotation unit 300 includes a foreign matter prevention unit 320, an operation unit 300b, and a sensing interlocking unit 310. As shown in FIG.

The foreign matter prevention unit 320 is hermetically closed at the rear portion of the rotation unit 300 to prevent foreign objects flowing into the rotation unit 300.

The actuating part 300b protrudes to one side of the outer periphery of the rotation part 300 so as to intervene in rotation in conjunction with one projection (not shown) of the mobile device.

The sensing interlocking portion 310 is configured to protrude and extend toward one side of the inner diameter of the rotation portion 300 so as to be away from the sensing portion 900 to be described later or facing the sensing portion 900 according to the rotation of the rotation portion 300.

The operation part 300b is composed of an operation lever.

An open shape 300a for opening the barrier parts 131 and 132 and a first movable lens barrel part 110 for turning on and off the first and second movable lens barrel parts 110, And a cam shape 300c for moving the cam 300c to the position.

Accordingly, when the operation lever 300b of the rotary part 300 is rotated, the rotary part 300 moves to the on position C and the off position B along the cam shape 300c of the rotary part 300, The movable lens barrel 110 moves back and forth in the direction of the first optical axis OP1 toward the subject.

That is, as shown in FIGS. 2, 4A, 4B, and 9, the rotation unit 300 includes an inner diameter and an outer diameter of the first movable lens barrel unit 110 to accommodate the first movable lens barrel unit 110, 1 movable lens barrel portion 110. [0054]

The open shape 300a is protruded in all directions of the rotation part 300 so that the barrier parts 131 and 132 can be opened.

The cam shape 300c allows the first movable lens barrel 110 to be placed in the photographing mode on / off and the pop-up and receiving actions in the front and rear direction of the first optical axis OP1 So that the first movable lens barrel 110 can be guided and received.

In addition, the operation lever 300b is extended and protruded from one end of the outer diameter of the rotation part 300 in the outer direction.

7 or 8B shows a state in which the first movable lens barrel 110 is in an OFF position and C indicates a state in which the first movable lens barrel 110 is in an ON position FIG.

7 and 8, the OFF position indicates a state in which the first movable lens barrel 110 is accommodated along the housing path of the rotation unit 300. [ In addition, the ON position is a position in which the first movable lens barrel 110 is moved in the direction opposite to the direction of the subject by making the sliding movement in the direction opposite to the accommodating path, that is, the movement in the forward direction of the first optical axis OP1, It means POP-UP state.

Here, when the operation lever 300b of the rotation part 300 has a counterpart in the mobile device to which it is mounted and turns it, the rotation part 300 rotates, and a mechanical stop position according to ON / (300c) of the cam member (300).

The ON position means that the operation lever 300b of the rotary part 300 can not rotate any more due to the cam shape 300c, The operating lever 300b is rotated from the ON position by a predetermined radius.

A pop-up unit 260 may be disposed between the first movable lens barrel unit 110 and the second refractive lens barrel unit 220 during the POP-UP operation. In this case, it is preferable that the pop-up unit 260 is formed of an elastic member having an elastic force, and in the embodiment of the present invention, the pop-up unit 260 is formed of an elastic spring. Since the pop-up unit 260 has an elastic force, the first movable lens barrel unit 110 can be drawn / drawn in the horizontal direction of the first optical axis OP1 from the rotation unit 300. [

6, 7, 8, and 9, the sensing unit 900 is installed on one side of the second refracting lens barrel 220. The sensing unit 900 includes a sensing unit 900, So as to keep the photographing ready state by facing the front side within the operating range of the sensing interlocking part 310 provided in the inner part of the inner diameter of the camera 300.

The sensing unit 900 may include an MR sensor, and the sensing unit 310 may include a magnet member, a reflective member, or the like. However, it is obvious that the sensing unit 900 and sensing sensing unit 310 are not limited to the above-described configurations. That is, the MR sensor and the magnet member can be variously applied as long as they can mutually function and transmit the on / off signals interlocked with each other.

Accordingly, as shown in FIG. 2, when the sensing unit 900 and the sensing interlocking unit 310 are positioned facing each other, the sensing unit 900 is turned on, When the sensing unit 900 and the sensing interlocking unit 310 are out of the operating range and are out of the operating range, the sensing unit 900 is turned off and the sensing unit 900 is out of the sensing range of the sensor unit, State.

Hereinafter, as shown in FIGS. 4A, 4B, 5A, 5B, 6, 7, 8, and 9, a mechanism for opening and closing the barrier portions 131 and 132 will be described.

The barrier portions 131 and 132 may be closed by first opening and closing springs 141 and 142. In this case, the barrier portions 131 and 132 may be opened through the open shape 300a, .

6, the shape of the open shape 300a having the upward bending protrusion shown in FIG. 9 is removed, and the open shape 300a Shaped other side surface 300e of the rotary part 300 adjacent to the one side surface of the position at which the barrier part 131 or 132 is located may push the barrier parts 131 and 132 to close the barrier parts 131 and 132 have.

In this case, the opening operation of the barrier parts 131 and 132, the pop-up operation of the first movable lens barrel part 110, and the closing operation of the first movable lens barrel part 110, The CLOSE operation of the units 131 and 132 occurs at a short time interval and occurs almost simultaneously.

The operation of the camera lens module having the above features will be briefly described below.

First, when the operation lever 300b of the rotary part 300 is rotated, the barrier parts 131 and 132 which are closed by the barrier opening / closing springs 141 and 142 are opened.

The first movable lens barrel 110, which is accommodated in the space inside the rotation unit 300 along the cam shape 300c of the rotation unit 300 rotates by a predetermined distance, (OP1) towards the first optical axis (OP1). In this case, a pop-up operation of the first movable lens barrel unit 110 including the movable lens 100 is accompanied.

This means that the first movable lens barrel 110 rotates by a certain radius to be in the C position in the drawing of FIG. At the same time, the sensing unit 900 and the sensing interlocking unit 310 are aligned at positions facing each other so as to be in a photographing standby state. Accordingly, So that the photographing becomes possible.

The first movable lens barrel 110 is rotated by a predetermined distance along the cam shape 300c by using the operating lever 300b of the rotating unit 300, 300). Closing of the barrier portions 131 and 132 is performed using the open shape 300a and the barrier opening and closing springs 141 and 142. This is because the user can not photograph any more Quot; OFF " state.

In the module configuration and operation as described above, it is possible to mount the camera on a small mobile device such as a mobile phone, but it is also possible to perform a pop-up operation of the movable lens, Convenience and product design freedom can be maximized.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. I will understand. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1A and 1B are a perspective view and a partial sectional view showing an OFF state of a lens module according to an embodiment of the present invention,

Fig. 2 is a sectional view showing the ON state of the lens module according to the embodiment of the present invention. Fig.

FIGS. 3A and 3B are diagrams showing the internal components of the lens module according to the embodiment of the present invention

FIGS. 4A and 4B are front and rear views of a barrier portion CLOSE state of a lens module according to an embodiment of the present invention, respectively; FIGS.

FIGS. 5A and 5B are front and rear views, respectively, of the lens module in the barrier open state according to the embodiment of the present invention; FIGS.

FIG. 6 is a view showing the open / closed structure of the barrier unit of the lens module according to another embodiment of the present invention; FIG.

7 is a view showing the cam position in the OFF state of the lens module according to the embodiment of the present invention,

8 is a view showing the cam position in the ON state of the lens module according to the embodiment of the present invention,

9 is a view showing a pop-up structure of a lens module according to an embodiment of the present invention.

*** Description of major parts of drawing ***

100: movable lens 110: first movable lens barrel part

131, 132: barrier portion 200: refractive member

220: second refraction lens barrel 260: POP-UP unit

300: rotating part 300a: open shape

300c: cam shape 300b: operation lever

400: Mechanism shutter unit 500, 510: Lens

520: third lens barrel part 530: clip part

600,610: Lens 620: Fourth lens barrel part

OP1: first optical axis OP2: second optical axis

Claims (15)

A first movable lens barrel part disposed in a first optical axis direction facing the subject; A second refracting lens barrel part disposed behind the first movable lens barrel part and emitting light in a second optical axis direction perpendicular to the first optical axis direction by refracting the incident light; A rotation unit that mediates movement of the first movable lens barrel unit in the horizontal direction before and after the first optical axis and opening and closing operations of the barrier unit; A POP-UP unit for enabling a POP-UP in a first optical axis direction of movement of the first movable lens barrel unit; A fourth lens barrel unit for accommodating the first movable lens barrel unit; And And an operating part protruding outwardly from one side of the rotary part so that the pop-up and receiving operations of the first movable lens barrel part and the opening and closing operations of the barrier part are interlocked by rotating the rotary part in the circumferential direction Wherein the lens module is a lens module. The method of claim 1, wherein Wherein at least one movable lens provided in the first movable lens barrel section in the direction of the subject and the barrier section for protecting the movable lens and for opening and closing the movable lens by the rotation of the rotation section are provided, Lens module. The method of claim 1, wherein Wherein the fourth lens barrel part comprises: Wherein the first movable lens barrel portion is disposed in the second optical axis direction and is configured to accommodate the first movable lens barrel portion, and includes at least one or more lenses. 4. The method according to any one of claims 1 to 3, The pop-up unit is disposed between the first movable lens barrel unit and the second refractive lens barrel unit, and the first movable lens barrel unit is an elastic member that mediates elastic movement in the horizontal direction of the first optical axis Wherein the lens module is a lens module. 5. The method of claim 4, A sensing unit installed inside the upper side of the second refracting lens barrel unit; And a sensing interlocking part provided inside a part of the inner diameter of the rotation part, When the rotation part is rotated, the first movable lens barrel part is popped up, and the sensing interlocking part faces the sensing part to maintain the ON state, and when the first movable lens barrel part is received And the sensing interlocking portion is shifted out of the sensing region by shifting from the sensing portion to maintain the imaging OFF state. A lens module for an imaging device, A first movable lens barrel part disposed in a first optical axis direction facing the subject; The first movable lens barrel unit is arranged to engage with an outer circumference of the first movable lens barrel unit. The first movable lens barrel unit is accommodated in the first movable lens barrel unit, and the first movable lens barrel unit is rotated by the first movable lens barrel unit, A driving unit for driving the driving unit in a direction; A pop-up portion provided on a rear surface of the first movable lens barrel portion and allowing the first movable lens barrel portion to pop up in a direction of a first optical axis in accordance with rotation of the rotation portion; And And an actuating part provided on the rotation part and protruding to rotate the rotation part. The method according to claim 6, Wherein the first movable lens barrel part is rotated inside the rotation part according to the rotation of the rotation part, and is drawn / drawn out. 8. The method of claim 7, Wherein the first movable lens barrel part is rotatably coupled to the inside of the rotation part in accordance with the rotation of the rotation part so as to be pulled out / A barrier portion for opening and closing the movable lens in accordance with the pulling-out of the first movable lens barrel portion to the front face of the first movable lens barrel portion, Wherein the movable lens is provided so as to maximize an angle of view in a range in which the outermost diameter of the lens module can be realized. 9. The method of claim 8, Wherein the barrier portion is provided on a front surface of the movable lens and is provided in the rotation portion to open and close the movable lens in accordance with rotation of the rotation portion. 10. The method of claim 9, And a fourth lens barrel part having at least one lens which is arranged in a direction of a second optical axis perpendicular to the first optical axis direction and has a shape capable of accommodating the first movable lens barrel part, And a lens module for an imaging device. 11. The method of claim 10, And a housing groove for accommodating one projection of the rotation part accommodating the first movable lens barrel part in an open state is formed on a lower inner side surface of the fourth lens barrel part. 11. The method of claim 10, Wherein a second refracting lens barrel portion for emitting light in a second optical axis direction perpendicular to the first optical axis direction by refracting the incident light is disposed behind the first movable lens barrel portion. 13. The method of claim 12, A sensing unit is provided inside the upper portion of the second refractive lens barrel unit, The rotation unit includes a foreign matter prevention unit for preventing foreign matter flowing into the rotation unit, And a sensing interlocking portion provided on an inner portion of the inner diameter of the rotation portion. 14. The method of claim 13, When the first movable lens barrel portion is popped up at the rotation portion by rotating the rotation portion, Wherein the sensing interlocking portion faces the sensing portion, maintains a shooting-on state, When the first movable lens barrel portion is housed in the rotating portion by rotating the rotating portion, Wherein the sensing interlocking portion is separated from the sensing portion to maintain the photographing-off state. 15. The method of claim 14, When the actuating part is driven along one direction of the outer periphery of the rotation part, the rotation part is rotated along the outer periphery of the first movable lens barrel part, Wherein the pop-up portion projects the first movable lens barrel portion to the front face of the rotary portion, and the barrier portion opens to open the movable lens, and at the same time, the sensing interlocking portion faces the sensing portion, When the actuating part is driven, the rotating part is rotated along the outer periphery of the first movable lens barrel part, Wherein the pop-up portion accommodates the first movable lens barrel portion inside the rotation portion, closes the barrier portion, closes the movable lens, Wherein the sensing interlocking portion is separated from the sensing portion and maintains the photographing-off state.

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