KR102609165B1 - 촬상 광학계 - Google Patents
촬상 광학계 Download PDFInfo
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- KR102609165B1 KR102609165B1 KR1020220137949A KR20220137949A KR102609165B1 KR 102609165 B1 KR102609165 B1 KR 102609165B1 KR 1020220137949 A KR1020220137949 A KR 1020220137949A KR 20220137949 A KR20220137949 A KR 20220137949A KR 102609165 B1 KR102609165 B1 KR 102609165B1
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- 238000012634 optical imaging Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 claims abstract description 74
- 238000003384 imaging method Methods 0.000 claims abstract description 71
- 230000014509 gene expression Effects 0.000 description 26
- 238000010586 diagram Methods 0.000 description 12
- 230000005499 meniscus Effects 0.000 description 8
- 230000004075 alteration Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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- 238000012217 deletion Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0087—Simple or compound lenses with index gradient
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B2003/0093—Simple or compound lenses characterised by the shape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
도 2는 도 1에 도시된 촬상 광학계의 수차 특성을 나타낸 도면이다.
도 3은 본 발명의 제2 실시예에 따른 촬상 광학계의 구성도이다.
도 4는 도 3에 도시된 촬상 광학계의 수차 특성을 나타낸 도면이다.
도 5는 본 발명의 제3 실시예에 따른 촬상 광학계의 구성도이다.
도 6은 도 5에 도시된 촬상 광학계의 수차 특성을 나타낸 도면이다.
도 7은 본 발명의 제4 실시예에 따른 촬상 광학계의 구성도이다.
도 8은 도 7에 도시된 촬상 광학계의 수차 특성을 나타낸 도면이다.
도 9는 본 발명의 제5 실시예에 따른 촬상 광학계의 구성도이다.
도 10은 도 9에 도시된 촬상 광학계의 수차 특성을 나타낸 도면이다.
면 번호 | 비고 | 곡률반경 | 두께 또는 거리 | 굴절률 | 아베수 | 초점거리 |
S1 | 제1 렌즈 | 2.5375 | 0.9000 | 1.546 | 56.0 | 5.7645 |
S2 | 11.4349 | 0.0300 | ||||
S3 | 제2 렌즈 | 11.4075 | 0.2800 | 1.546 | 56.0 | 135.5410 |
S4 | 13.3684 | 0.0734 | ||||
S5 | 제3 렌즈 | 8.6590 | 0.2577 | 1.687 | 18.2 | -13.6820 |
S6 | 4.4525 | 0.4416 | ||||
S7 | 제4 렌즈 | -64.1541 | 0.3310 | 1.546 | 56.0 | 63.8798 |
S8 | -22.6415 | 0.2513 | ||||
S9 | 제5 렌즈 | 72.1996 | 0.3739 | 1.644 | 23.5 | -44.3466 |
S10 | 20.4251 | 0.5468 | ||||
S11 | 제6 렌즈 | 10.1493 | 0.4872 | 1.570 | 37.4 | -97.2157 |
S12 | 8.4294 | 0.3843 | ||||
S13 | 제7 렌즈 | 3.1689 | 0.6929 | 1.537 | 55.7 | 6.8588 |
S14 | 21.0604 | 0.6534 | ||||
S15 | 제8 렌즈 | 5.8142 | 0.5388 | 1.537 | 55.7 | -5.0932 |
S16 | 1.7990 | 0.3438 | ||||
S17 | 필터 | Infinity | 0.2100 | 1.518 | 64.2 | |
S18 | Infinity | 0.6900 | ||||
S19 | 촬상면 | Infinity |
S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | |
코닉상수(K) | -1.013E+00 | 2.303E+01 | 2.304E+01 | 2.258E+01 | 1.844E+01 | 2.190E+00 | 9.500E+01 | 8.785E+01 |
4차계수(A) | 4.788E-03 | -6.354E-02 | -6.315E-02 | -4.721E-02 | -7.301E-02 | -3.361E-02 | -1.555E-02 | -3.309E-02 |
6차계수(B) | 2.290E-02 | 3.994E-01 | 3.896E-01 | 2.084E-01 | 3.264E-01 | 9.737E-02 | -5.878E-02 | 6.447E-02 |
8차계수(C) | -9.755E-02 | -1.792E+00 | -1.763E+00 | -9.244E-01 | -1.587E+00 | -3.006E-01 | 4.488E-01 | -3.278E-01 |
10차계수(D) | 2.720E-01 | 4.964E+00 | 4.957E+00 | 2.846E+00 | 5.421E+00 | 4.867E-01 | -2.027E+00 | 1.227E+00 |
12차계수(E) | -5.007E-01 | -8.961E+00 | -9.085E+00 | -5.900E+00 | -1.254E+01 | 4.686E-01 | 5.941E+00 | -3.183E+00 |
14차계수(F) | 6.282E-01 | 1.107E+01 | 1.139E+01 | 8.478E+00 | 2.018E+01 | -4.146E+00 | -1.186E+01 | 5.786E+00 |
16차계수(G) | -5.504E-01 | -9.650E+00 | -1.006E+01 | -8.667E+00 | -2.315E+01 | 9.881E+00 | 1.661E+01 | -7.487E+00 |
18차계수(H) | 3.416E-01 | 6.036E+00 | 6.365E+00 | 6.397E+00 | 1.916E+01 | -1.373E+01 | -1.660E+01 | 6.962E+00 |
20차계수(J) | -1.508E-01 | -2.719E+00 | -2.895E+00 | -3.420E+00 | -1.148E+01 | 1.254E+01 | 1.189E+01 | -4.658E+00 |
22차계수(L) | 4.701E-02 | 8.741E-01 | 9.367E-01 | 1.311E+00 | 4.922E+00 | -7.770E+00 | -6.048E+00 | 2.219E+00 |
24차계수(M) | -1.010E-02 | -1.953E-01 | -2.099E-01 | -3.517E-01 | -1.474E+00 | 3.246E+00 | 2.134E+00 | -7.345E-01 |
26차계수(N) | 1.423E-03 | 2.878E-02 | 3.085E-02 | 6.256E-02 | 2.923E-01 | -8.772E-01 | -4.959E-01 | 1.603E-01 |
28차계수(O) | -1.182E-04 | -2.510E-03 | -2.662E-03 | -6.631E-03 | -3.450E-02 | 1.387E-01 | 6.823E-02 | -2.075E-02 |
30차계수(P) | 4.386E-06 | 9.780E-05 | 1.016E-04 | 3.168E-04 | 1.834E-03 | -9.746E-03 | -4.207E-03 | 1.206E-03 |
S9 | S10 | S11 | S12 | S13 | S14 | S15 | S16 | |
코닉상수(K) | 9.500E+01 | -2.835E+01 | -3.123E+01 | -9.484E+01 | -5.559E+00 | 2.100E+01 | -7.281E+01 | -8.000E+00 |
4차계수(A) | -6.552E-02 | -5.052E-02 | -6.077E-02 | -8.416E-02 | -1.261E-02 | 1.205E-02 | -1.323E-01 | -6.301E-02 |
6차계수(B) | 1.046E-01 | 1.591E-02 | 5.331E-02 | 5.642E-02 | 1.854E-02 | 3.432E-02 | 8.544E-02 | 3.322E-02 |
8차계수(C) | -4.121E-01 | 2.028E-02 | -6.340E-02 | -5.824E-02 | -2.462E-02 | -4.132E-02 | -4.299E-02 | -1.455E-02 |
10차계수(D) | 1.151E+00 | -1.205E-01 | 7.120E-02 | 5.264E-02 | 1.449E-02 | 2.240E-02 | 1.536E-02 | 4.638E-03 |
12차계수(E) | -2.231E+00 | 2.593E-01 | -6.151E-02 | -3.332E-02 | -5.261E-03 | -7.658E-03 | -3.740E-03 | -1.067E-03 |
14차계수(F) | 3.044E+00 | -3.481E-01 | 3.811E-02 | 1.456E-02 | 1.275E-03 | 1.814E-03 | 6.316E-04 | 1.793E-04 |
16차계수(G) | -2.977E+00 | 3.206E-01 | -1.676E-02 | -4.413E-03 | -2.112E-04 | -3.088E-04 | -7.574E-05 | -2.220E-05 |
18차계수(H) | 2.109E+00 | -2.094E-01 | 5.220E-03 | 9.296E-04 | 2.388E-05 | 3.830E-05 | 6.541E-06 | 2.029E-06 |
20차계수(J) | -1.083E+00 | 9.806E-02 | -1.141E-03 | -1.351E-04 | -1.802E-06 | -3.461E-06 | -4.081E-07 | -1.360E-07 |
22차계수(L) | 3.986E-01 | -3.274E-02 | 1.707E-04 | 1.323E-05 | 8.431E-08 | 2.249E-07 | 1.822E-08 | 6.576E-09 |
24차계수(M) | -1.023E-01 | 7.617E-03 | -1.654E-05 | -8.249E-07 | -1.885E-09 | -1.022E-08 | -5.675E-10 | -2.228E-10 |
26차계수(N) | 1.734E-02 | -1.175E-03 | 9.251E-07 | 2.870E-08 | -1.656E-11 | 3.075E-10 | 1.170E-11 | 5.008E-12 |
28차계수(O) | -1.735E-03 | 1.081E-04 | -2.173E-08 | -3.492E-10 | 1.907E-12 | -5.502E-12 | -1.435E-13 | -6.698E-14 |
30차계수(P) | 7.711E-05 | -4.505E-06 | -7.816E-11 | -4.120E-12 | -3.109E-14 | 4.425E-14 | 7.911E-16 | 4.030E-16 |
면 번호 | 비고 | 곡률반경 | 두께 또는 거리 | 굴절률 | 아베수 | 초점거리 |
S1 | 제1 렌즈 | 2.5405 | 0.8598 | 1.546 | 56.0 | 5.8608 |
S2 | 10.8360 | 0.0676 | ||||
S3 | 제2 렌즈 | 10.6155 | 0.2872 | 1.546 | 56.0 | 99.4302 |
S4 | 13.0684 | 0.0514 | ||||
S5 | 제3 렌즈 | 8.4592 | 0.2500 | 1.687 | 18.2 | -13.7887 |
S6 | 4.4150 | 0.4235 | ||||
S7 | 제4 렌즈 | -78.0943 | 0.3201 | 1.546 | 56.0 | 81.7006 |
S8 | -28.4394 | 0.2533 | ||||
S9 | 제5 렌즈 | 50.5987 | 0.3740 | 1.667 | 20.4 | -41.3616 |
S10 | 17.7996 | 0.5727 | ||||
S11 | 제6 렌즈 | 9.8013 | 0.4348 | 1.570 | 37.4 | 95.0000 |
S12 | 11.7731 | 0.4233 | ||||
S13 | 제7 렌즈 | 3.5243 | 0.7600 | 1.537 | 55.7 | 7.9755 |
S14 | 18.4653 | 0.6278 | ||||
S15 | 제8 렌즈 | 4.7724 | 0.5001 | 1.537 | 55.7 | -5.3485 |
S16 | 1.7266 | 0.3444 | ||||
S17 | 필터 | Infinity | 0.1100 | 1.518 | 64.2 | |
S18 | Infinity | 0.7900 | ||||
S19 | 촬상면 | Infinity |
S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | |
코닉상수(K) | -1.028E+00 | 2.394E+01 | 2.421E+01 | 2.373E+01 | 1.863E+01 | 2.243E+00 | 9.499E+01 | 8.529E+01 |
4차계수(A) | 8.585E-03 | -5.147E-02 | -6.061E-02 | -5.937E-02 | -7.992E-02 | -2.817E-02 | -8.135E-03 | -4.006E-02 |
6차계수(B) | -1.794E-03 | 2.544E-01 | 2.937E-01 | 2.748E-01 | 4.278E-01 | 8.203E-02 | -1.096E-01 | 1.633E-01 |
8차계수(C) | -1.281E-02 | -1.053E+00 | -1.195E+00 | -1.102E+00 | -2.117E+00 | -2.056E-01 | 7.080E-01 | -9.230E-01 |
10차계수(D) | 9.070E-02 | 2.878E+00 | 3.312E+00 | 3.175E+00 | 7.156E+00 | -1.608E-01 | -2.904E+00 | 3.403E+00 |
12차계수(E) | -2.432E-01 | -5.261E+00 | -6.203E+00 | -6.304E+00 | -1.642E+01 | 3.099E+00 | 7.887E+00 | -8.481E+00 |
14차계수(F) | 3.774E-01 | 6.671E+00 | 8.072E+00 | 8.715E+00 | 2.631E+01 | -1.089E+01 | -1.474E+01 | 1.477E+01 |
16차계수(G) | -3.802E-01 | -6.036E+00 | -7.487E+00 | -8.551E+00 | -3.009E+01 | 2.152E+01 | 1.944E+01 | -1.837E+01 |
18차계수(H) | 2.613E-01 | 3.958E+00 | 5.024E+00 | 6.035E+00 | 2.488E+01 | -2.768E+01 | -1.832E+01 | 1.652E+01 |
20차계수(J) | -1.251E-01 | -1.888E+00 | -2.447E+00 | -3.074E+00 | -1.491E+01 | 2.433E+01 | 1.237E+01 | -1.075E+01 |
22차계수(L) | 4.181E-02 | 6.492E-01 | 8.567E-01 | 1.120E+00 | 6.413E+00 | -1.479E+01 | -5.931E+00 | 5.011E+00 |
24차계수(M) | -9.578E-03 | -1.567E-01 | -2.100E-01 | -2.842E-01 | -1.927E+00 | 6.122E+00 | 1.965E+00 | -1.630E+00 |
26차계수(N) | 1.435E-03 | 2.522E-02 | 3.419E-02 | 4.760E-02 | 3.839E-01 | -1.651E+00 | -4.271E-01 | 3.514E-01 |
28차계수(O) | -1.268E-04 | -2.428E-03 | -3.317E-03 | -4.713E-03 | -4.555E-02 | 2.616E-01 | 5.463E-02 | -4.508E-02 |
30차계수(P) | 5.023E-06 | 1.058E-04 | 1.450E-04 | 2.079E-04 | 2.434E-03 | -1.849E-02 | -3.107E-03 | 2.604E-03 |
S9 | S10 | S11 | S12 | S13 | S14 | S15 | S16 | |
코닉상수(K) | 6.026E+01 | -1.595E+01 | -2.672E+01 | -9.477E+01 | -5.486E+00 | 1.902E+01 | -5.048E+01 | -6.638E+00 |
4차계수(A) | -6.290E-02 | -4.446E-02 | -6.263E-02 | -8.819E-02 | -9.409E-03 | 1.972E-02 | -1.170E-01 | -7.330E-02 |
6차계수(B) | 8.909E-02 | -3.180E-02 | 6.507E-02 | 6.380E-02 | 8.806E-03 | 2.048E-02 | 6.663E-02 | 3.946E-02 |
8차계수(C) | -3.777E-01 | 2.124E-01 | -8.486E-02 | -6.296E-02 | -1.445E-02 | -2.912E-02 | -3.047E-02 | -1.803E-02 |
10차계수(D) | 1.183E+00 | -6.101E-01 | 9.342E-02 | 5.133E-02 | 7.618E-03 | 1.585E-02 | 1.039E-02 | 6.065E-03 |
12차계수(E) | -2.616E+00 | 1.099E+00 | -7.699E-02 | -2.904E-02 | -2.130E-03 | -5.318E-03 | -2.489E-03 | -1.471E-03 |
14차계수(F) | 4.124E+00 | -1.354E+00 | 4.604E-02 | 1.110E-02 | 2.831E-04 | 1.230E-03 | 4.234E-04 | 2.587E-04 |
16차계수(G) | -4.715E+00 | 1.182E+00 | -1.990E-02 | -2.763E-03 | 1.330E-05 | -2.045E-04 | -5.232E-05 | -3.316E-05 |
18차계수(H) | 3.946E+00 | -7.439E-01 | 6.212E-03 | 4.024E-04 | -1.283E-05 | 2.484E-05 | 4.765E-06 | 3.100E-06 |
20차계수(J) | -2.416E+00 | 3.383E-01 | -1.389E-03 | -1.809E-05 | 2.542E-06 | -2.206E-06 | -3.212E-07 | -2.103E-07 |
22차계수(L) | 1.068E+00 | -1.102E-01 | 2.180E-04 | -4.879E-06 | -2.835E-07 | 1.414E-07 | 1.588E-08 | 1.021E-08 |
24차계수(M) | -3.320E-01 | 2.508E-02 | -2.313E-05 | 1.090E-06 | 1.981E-08 | -6.370E-09 | -5.613E-10 | -3.445E-10 |
26차계수(N) | 6.865E-02 | -3.785E-03 | 1.547E-06 | -1.031E-07 | -8.615E-10 | 1.909E-10 | 1.343E-11 | 7.653E-12 |
28차계수(O) | -8.469E-03 | 3.406E-04 | -5.686E-08 | 4.966E-09 | 2.143E-11 | -3.415E-12 | -1.952E-13 | -1.005E-13 |
30차계수(P) | 4.710E-04 | -1.384E-05 | 8.141E-10 | -9.939E-11 | -2.336E-13 | 2.759E-14 | 1.301E-15 | 5.889E-16 |
면 번호 | 비고 | 곡률반경 | 두께 또는 거리 | 굴절률 | 아베수 | 초점거리 |
S1 | 제1 렌즈 | 2.5551 | 0.8612 | 1.546 | 56.0 | 5.8983 |
S2 | 10.8782 | 0.0688 | ||||
S3 | 제2 렌즈 | 10.7408 | 0.2917 | 1.546 | 56.0 | 85.0000 |
S4 | 13.8394 | 0.0546 | ||||
S5 | 제3 렌즈 | 8.8307 | 0.2500 | 1.677 | 19.2 | -13.5679 |
S6 | 4.4507 | 0.4250 | ||||
S7 | 제4 렌즈 | -58.6231 | 0.3261 | 1.546 | 56.0 | 68.1768 |
S8 | -22.8178 | 0.2570 | ||||
S9 | 제5 렌즈 | 175.1394 | 0.3746 | 1.667 | 20.4 | -34.2789 |
S10 | 20.2045 | 0.5493 | ||||
S11 | 제6 렌즈 | 9.8809 | 0.4399 | 1.570 | 37.4 | -204.7188 |
S12 | 8.9626 | 0.4003 | ||||
S13 | 제7렌즈 | 3.0885 | 0.7604 | 1.537 | 55.7 | 6.6804 |
S14 | 20.3958 | 0.6198 | ||||
S15 | 제8 렌즈 | 5.7945 | 0.5000 | 1.537 | 55.7 | -5.4563 |
S16 | 1.8864 | 0.3444 | ||||
S17 | 필터 | Infinity | 0.1100 | 1.518 | 64.2 | |
S18 | Infinity | 0.8670 | ||||
S19 | 촬상면 | Infinity | 0.0000 |
S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | |
코닉상수(K) | -1.025E+00 | 2.348E+01 | 2.382E+01 | 2.346E+01 | 1.853E+01 | 2.151E+00 | 9.500E+01 | 8.988E+01 |
4차계수(A) | 1.253E-02 | -6.616E-02 | -7.590E-02 | -5.914E-02 | -9.376E-02 | -2.970E-02 | -1.679E-02 | -5.890E-02 |
6차계수(B) | -2.664E-02 | 4.044E-01 | 4.754E-01 | 3.385E-01 | 5.890E-01 | 8.007E-02 | -1.261E-02 | 3.541E-01 |
8차계수(C) | 6.788E-02 | -1.734E+00 | -2.093E+00 | -1.545E+00 | -3.030E+00 | -7.705E-02 | 8.914E-02 | -1.977E+00 |
10차계수(D) | -6.576E-02 | 4.664E+00 | 5.861E+00 | 4.576E+00 | 1.016E+01 | -1.093E+00 | -3.767E-01 | 7.057E+00 |
12차계수(E) | -4.844E-02 | -8.280E+00 | -1.092E+01 | -9.005E+00 | -2.285E+01 | 6.588E+00 | 8.964E-01 | -1.696E+01 |
14차계수(F) | 2.129E-01 | 1.015E+01 | 1.412E+01 | 1.225E+01 | 3.583E+01 | -1.900E+01 | -1.175E+00 | 2.846E+01 |
16차계수(G) | -2.808E-01 | -8.850E+00 | -1.304E+01 | -1.188E+01 | -4.019E+01 | 3.409E+01 | 6.006E-01 | -3.413E+01 |
18차계수(H) | 2.154E-01 | 5.572E+00 | 8.733E+00 | 8.336E+00 | 3.269E+01 | -4.115E+01 | 5.591E-01 | 2.960E+01 |
20차계수(J) | -1.077E-01 | -2.541E+00 | -4.250E+00 | -4.256E+00 | -1.931E+01 | 3.445E+01 | -1.279E+00 | -1.859E+01 |
22차계수(L) | 3.622E-02 | 8.322E-01 | 1.488E+00 | 1.567E+00 | 8.201E+00 | -2.009E+01 | 1.114E+00 | 8.365E+00 |
24차계수(M) | -8.140E-03 | -1.907E-01 | -3.652E-01 | -4.060E-01 | -2.439E+00 | 8.018E+00 | -5.598E-01 | -2.629E+00 |
26차계수(N) | 1.173E-03 | 2.901E-02 | 5.961E-02 | 7.020E-02 | 4.821E-01 | -2.090E+00 | 1.697E-01 | 5.476E-01 |
28차계수(O) | -9.792E-05 | -2.631E-03 | -5.806E-03 | -7.277E-03 | -5.684E-02 | 3.209E-01 | -2.893E-02 | -6.792E-02 |
30차계수(P) | 3.600E-06 | 1.077E-04 | 2.553E-04 | 3.419E-04 | 3.025E-03 | -2.201E-02 | 2.138E-03 | 3.796E-03 |
S9 | S10 | S11 | S12 | S13 | S14 | S15 | S16 | |
코닉상수(K) | 9.280E+01 | -1.581E+01 | -2.540E+01 | -9.500E+01 | -5.807E+00 | 1.978E+01 | -5.911E+01 | -6.956E+00 |
4차계수(A) | -6.740E-02 | -5.667E-02 | -6.735E-02 | -8.232E-02 | -9.401E-03 | 1.630E-02 | -1.199E-01 | -6.945E-02 |
6차계수(B) | 1.465E-01 | 8.055E-02 | 9.182E-02 | 4.546E-02 | 8.883E-03 | 2.546E-02 | 7.048E-02 | 3.481E-02 |
8차계수(C) | -6.552E-01 | -2.583E-01 | -1.553E-01 | -3.645E-02 | -1.316E-02 | -3.268E-02 | -3.372E-02 | -1.487E-02 |
10차계수(D) | 1.976E+00 | 5.844E-01 | 2.016E-01 | 2.712E-02 | 6.351E-03 | 1.746E-02 | 1.199E-02 | 4.712E-03 |
12차계수(E) | -4.134E+00 | -9.222E-01 | -1.846E-01 | -1.412E-02 | -1.574E-03 | -5.843E-03 | -2.960E-03 | -1.084E-03 |
14차계수(F) | 6.178E+00 | 1.037E+00 | 1.195E-01 | 4.816E-03 | 1.543E-04 | 1.359E-03 | 5.106E-04 | 1.828E-04 |
16차계수(G) | -6.728E+00 | -8.481E-01 | -5.534E-02 | -9.565E-04 | 2.655E-05 | -2.285E-04 | -6.278E-05 | -2.279E-05 |
18차계수(H) | 5.386E+00 | 5.084E-01 | 1.849E-02 | 5.207E-05 | -1.204E-05 | 2.815E-05 | 5.578E-06 | 2.104E-06 |
20차계수(J) | -3.165E+00 | -2.233E-01 | -4.450E-03 | 2.591E-05 | 2.097E-06 | -2.538E-06 | -3.592E-07 | -1.428E-07 |
22차계수(L) | 1.347E+00 | 7.095E-02 | 7.623E-04 | -8.025E-06 | -2.177E-07 | 1.651E-07 | 1.663E-08 | 7.005E-09 |
24차계수(M) | -4.034E-01 | -1.585E-02 | -9.037E-05 | 1.146E-06 | 1.443E-08 | -7.524E-09 | -5.395E-10 | -2.407E-10 |
26차계수(N) | 8.050E-02 | 2.359E-03 | 7.028E-06 | -9.336E-08 | -6.009E-10 | 2.274E-10 | 1.166E-11 | 5.482E-12 |
28차계수(O) | -9.591E-03 | -2.096E-04 | -3.218E-07 | 4.180E-09 | 1.438E-11 | -4.088E-12 | -1.507E-13 | -7.415E-14 |
30차계수(P) | 5.153E-04 | 8.387E-06 | 6.564E-09 | -8.027E-11 | -1.512E-13 | 3.304E-14 | 8.830E-16 | 4.502E-16 |
면 번호 | 비고 | 곡률반경 | 두께 또는 거리 | 굴절률 | 아베수 | 초점거리 |
S1 | 제1 렌즈 | 2.7305 | 0.9274 | 1.546 | 56.0 | 6.1841 |
S2 | 12.5387 | 0.0751 | ||||
S3 | 제2 렌즈 | 12.2159 | 0.2810 | 1.546 | 56.0 | 128.6972 |
S4 | 14.6652 | 0.0842 | ||||
S5 | 제3 렌즈 | 9.3025 | 0.2501 | 1.687 | 18.2 | -14.5712 |
S6 | 4.7691 | 0.4505 | ||||
S7 | 제4 렌즈 | -114.3982 | 0.3179 | 1.546 | 56.0 | -489.9740 |
S8 | -200.0000 | 0.2756 | ||||
S9 | 제5 렌즈 | 26.7068 | 0.3809 | 1.667 | 20.4 | -62.0890 |
S10 | 16.1429 | 0.5943 | ||||
S11 | 제6 렌즈 | 9.8889 | 0.4997 | 1.570 | 37.4 | 56.1534 |
S12 | 14.0436 | 0.5365 | ||||
S13 | 제7 렌즈 | 3.7344 | 0.8233 | 1.537 | 55.7 | 8.8084 |
S14 | 16.4203 | 0.7142 | ||||
S15 | 제8 렌즈 | 5.6728 | 0.5085 | 1.537 | 55.7 | -5.9073 |
S16 | 1.9699 | 0.3698 | ||||
S17 | 필터 | Infinity | 0.1100 | 1.518 | 64.2 | |
S18 | Infinity | 0.8430 | ||||
S19 | 촬상면 | Infinity | 0.0000 |
S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | |
코닉상수(K) | -1.026E+00 | 2.390E+01 | 2.413E+01 | 2.373E+01 | 1.868E+01 | 2.271E+00 | 7.919E+01 | 9.288E+01 |
4차계수(A) | 5.812E-03 | -4.307E-02 | -4.957E-02 | -5.692E-02 | -6.199E-02 | -1.394E-02 | 2.065E-04 | -2.141E-02 |
6차계수(B) | 7.604E-03 | 1.910E-01 | 2.020E-01 | 2.660E-01 | 2.715E-01 | -5.283E-02 | -1.258E-01 | 3.031E-02 |
8차계수(C) | -4.778E-02 | -6.711E-01 | -6.664E-01 | -9.823E-01 | -1.137E+00 | 5.198E-01 | 6.171E-01 | -1.992E-01 |
10차계수(D) | 1.621E-01 | 1.531E+00 | 1.475E+00 | 2.486E+00 | 3.274E+00 | -2.371E+00 | -1.936E+00 | 7.861E-01 |
12차계수(E) | -3.252E-01 | -2.327E+00 | -2.173E+00 | -4.274E+00 | -6.392E+00 | 6.789E+00 | 4.042E+00 | -1.989E+00 |
14차계수(F) | 4.216E-01 | 2.451E+00 | 2.190E+00 | 5.100E+00 | 8.694E+00 | -1.309E+01 | -5.811E+00 | 3.394E+00 |
16차계수(G) | -3.714E-01 | -1.842E+00 | -1.546E+00 | -4.318E+00 | -8.427E+00 | 1.760E+01 | 5.880E+00 | -4.032E+00 |
18차계수(H) | 2.289E-01 | 1.004E+00 | 7.739E-01 | 2.631E+00 | 5.898E+00 | -1.683E+01 | -4.225E+00 | 3.398E+00 |
20차계수(J) | -9.976E-02 | -3.992E-01 | -2.749E-01 | -1.157E+00 | -2.988E+00 | 1.151E+01 | 2.149E+00 | -2.043E+00 |
22차계수(L) | 3.065E-02 | 1.146E-01 | 6.817E-02 | 3.640E-01 | 1.085E+00 | -5.594E+00 | -7.595E-01 | 8.709E-01 |
24차계수(M) | -6.499E-03 | -2.319E-02 | -1.137E-02 | -7.980E-02 | -2.754E-01 | 1.885E+00 | 1.793E-01 | -2.570E-01 |
26차계수(N) | 9.052E-04 | 3.137E-03 | 1.181E-03 | 1.156E-02 | 4.632E-02 | -4.187E-01 | -2.607E-02 | 4.992E-02 |
28차계수(O) | -7.458E-05 | -2.549E-04 | -6.487E-05 | -9.938E-04 | -4.636E-03 | 5.514E-02 | 1.960E-03 | -5.742E-03 |
30차계수(P) | 2.755E-06 | 9.409E-06 | 1.183E-06 | 3.825E-05 | 2.089E-04 | -3.261E-03 | -4.476E-05 | 2.962E-04 |
S9 | S10 | S11 | S12 | S13 | S14 | S15 | S16 | |
코닉상수(K) | 3.006E+01 | -1.124E+01 | -2.796E+01 | -9.080E+01 | -5.012E+00 | 1.126E+01 | -8.324E+01 | -6.800E+00 |
4차계수(A) | -5.372E-02 | -3.851E-02 | -4.731E-02 | -6.608E-02 | -4.772E-03 | 2.672E-02 | -5.732E-02 | -4.412E-02 |
6차계수(B) | 1.027E-01 | -1.390E-03 | 3.527E-02 | 2.673E-02 | -5.100E-03 | -5.679E-03 | 1.165E-02 | 1.437E-02 |
8차계수(C) | -4.378E-01 | 5.356E-02 | -3.564E-02 | -1.088E-02 | 2.889E-03 | -1.373E-03 | 1.784E-03 | -4.179E-03 |
10차계수(D) | 1.264E+00 | -1.515E-01 | 3.583E-02 | 3.426E-03 | -2.200E-03 | 7.818E-04 | -1.831E-03 | 1.042E-03 |
12차계수(E) | -2.506E+00 | 2.428E-01 | -2.871E-02 | -1.284E-06 | 1.068E-03 | -1.662E-04 | 5.657E-04 | -2.174E-04 |
14차계수(F) | 3.506E+00 | -2.594E-01 | 1.673E-02 | -7.804E-04 | -3.297E-04 | 2.216E-05 | -1.022E-04 | 3.506E-05 |
16차계수(G) | -3.528E+00 | 1.947E-01 | -6.968E-03 | 4.931E-04 | 6.923E-05 | -2.426E-06 | 1.219E-05 | -4.137E-06 |
18차계수(H) | 2.583E+00 | -1.051E-01 | 2.077E-03 | -1.694E-04 | -1.022E-05 | 2.911E-07 | -1.005E-06 | 3.496E-07 |
20차계수(J) | -1.376E+00 | 4.094E-02 | -4.416E-04 | 3.699E-05 | 1.070E-06 | -3.585E-08 | 5.823E-08 | -2.096E-08 |
22차계수(L) | 5.277E-01 | -1.143E-02 | 6.612E-05 | -5.341E-06 | -7.897E-08 | 3.444E-09 | -2.369E-09 | 8.809E-10 |
24차계수(M) | -1.418E-01 | 2.228E-03 | -6.768E-06 | 5.096E-07 | 4.012E-09 | -2.237E-10 | 6.630E-11 | -2.535E-11 |
26차계수(N) | 2.530E-02 | -2.882E-04 | 4.481E-07 | -3.096E-08 | -1.334E-10 | 9.125E-12 | -1.216E-12 | 4.760E-13 |
28차계수(O) | -2.692E-03 | 2.224E-05 | -1.718E-08 | 1.086E-09 | 2.613E-12 | -2.111E-13 | 1.315E-14 | -5.268E-15 |
30차계수(P) | 1.291E-04 | -7.759E-07 | 2.877E-10 | -1.678E-11 | -2.286E-14 | 2.114E-15 | -6.362E-17 | 2.620E-17 |
면 번호 | 비고 | 곡률반경 | 두께 또는 거리 | 굴절률 | 아베수 | 초점거리 |
S1 | 제1 렌즈 | 2.74 | 0.931 | 1.546 | 56.0 | 6.2031 |
S2 | 12.57 | 0.076 | ||||
S3 | 제2 렌즈 | 12.25 | 0.287 | 1.546 | 56.0 | 111.0399 |
S4 | 15.23 | 0.083 | ||||
S5 | 제3 렌즈 | 9.52 | 0.253 | 1.687 | 18.2 | -14.7018 |
S6 | 4.85 | 0.465 | ||||
S7 | 제4 렌즈 | -46.00 | 0.300 | 1.546 | 56.0 | -96.9929 |
S8 | -350.00 | 0.268 | ||||
S9 | 제5 렌즈 | 22.51 | 0.380 | 1.667 | 20.4 | -71.9233 |
S10 | 15.22 | 0.589 | ||||
S11 | 제6 렌즈 | 9.05 | 0.486 | 1.570 | 37.4 | 48.2216 |
S12 | 13.23 | 0.585 | ||||
S13 | 제7 렌즈 | 3.62 | 0.810 | 1.537 | 55.7 | 8.4388 |
S14 | 16.60 | 0.714 | ||||
S15 | 제8 렌즈 | 6.04 | 0.490 | 1.546 | 56.0 | -5.7434 |
S16 | 2.01 | 0.370 | ||||
S17 | 필터 | Infinity | 0.110 | 1.518 | 64.2 | |
S18 | Infinity | 0.883 | ||||
S19 | 촬상면 | Infinity | 0.000 |
S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | |
코닉상수(K) | -1.026E+00 | 2.381E+01 | 2.431E+01 | 2.331E+01 | 1.868E+01 | 2.281E+00 | 9.321E+00 | 9.500E+01 |
4차계수(A) | 4.374E-03 | -4.290E-02 | -5.002E-02 | -5.856E-02 | -5.973E-02 | -1.387E-02 | 8.771E-03 | -2.323E-02 |
6차계수(B) | 1.723E-02 | 1.897E-01 | 2.045E-01 | 2.753E-01 | 2.441E-01 | -5.508E-02 | -2.021E-01 | 4.320E-02 |
8차계수(C) | -8.099E-02 | -6.669E-01 | -6.708E-01 | -1.022E+00 | -9.983E-01 | 5.272E-01 | 9.972E-01 | -2.626E-01 |
10차계수(D) | 2.283E-01 | 1.522E+00 | 1.480E+00 | 2.618E+00 | 2.857E+00 | -2.363E+00 | -3.157E+00 | 9.788E-01 |
12차계수(E) | -4.076E-01 | -2.315E+00 | -2.185E+00 | -4.579E+00 | -5.573E+00 | 6.677E+00 | 6.723E+00 | -2.385E+00 |
14차계수(F) | 4.880E-01 | 2.441E+00 | 2.216E+00 | 5.582E+00 | 7.587E+00 | -1.273E+01 | -9.979E+00 | 3.977E+00 |
16차계수(G) | -4.065E-01 | -1.838E+00 | -1.582E+00 | -4.846E+00 | -7.366E+00 | 1.696E+01 | 1.056E+01 | -4.662E+00 |
18차계수(H) | 2.404E-01 | 1.005E+00 | 8.057E-01 | 3.038E+00 | 5.167E+00 | -1.610E+01 | -8.049E+00 | 3.901E+00 |
20차계수(J) | -1.017E-01 | -4.009E-01 | -2.934E-01 | -1.379E+00 | -2.626E+00 | 1.094E+01 | 4.426E+00 | -2.339E+00 |
22차계수(L) | 3.058E-02 | 1.157E-01 | 7.550E-02 | 4.492E-01 | 9.574E-01 | -5.288E+00 | -1.735E+00 | 9.965E-01 |
24차계수(M) | -6.382E-03 | -2.356E-02 | -1.330E-02 | -1.023E-01 | -2.441E-01 | 1.773E+00 | 4.719E-01 | -2.945E-01 |
26차계수(N) | 8.795E-04 | 3.211E-03 | 1.510E-03 | 1.548E-02 | 4.129E-02 | -3.923E-01 | -8.433E-02 | 5.734E-02 |
28차계수(O) | -7.197E-05 | -2.632E-04 | -9.748E-05 | -1.395E-03 | -4.160E-03 | 5.150E-02 | 8.874E-03 | -6.616E-03 |
30차계수(P) | 2.648E-06 | 9.814E-06 | 2.615E-06 | 5.663E-05 | 1.888E-04 | -3.037E-03 | -4.146E-04 | 3.424E-04 |
S9 | S10 | S11 | S12 | S13 | S14 | S15 | S16 | |
코닉상수(K) | 2.499E+01 | -9.865E+00 | -2.924E+01 | -8.722E+01 | -4.773E+00 | 1.212E+01 | -9.500E+01 | -7.299E+00 |
4차계수(A) | -5.609E-02 | -3.329E-02 | -4.444E-02 | -5.991E-02 | -1.615E-03 | 2.928E-02 | -5.940E-02 | -4.474E-02 |
6차계수(B) | 1.223E-01 | -3.407E-02 | 2.465E-02 | 4.822E-03 | -1.082E-02 | -9.839E-03 | 1.417E-02 | 1.531E-02 |
8차계수(C) | -5.318E-01 | 1.713E-01 | -1.820E-02 | 2.513E-02 | 8.200E-03 | 1.742E-03 | 6.115E-04 | -4.626E-03 |
10차계수(D) | 1.547E+00 | -4.214E-01 | 1.979E-02 | -3.204E-02 | -5.062E-03 | -5.906E-04 | -1.536E-03 | 1.181E-03 |
12차계수(E) | -3.091E+00 | 6.580E-01 | -1.987E-02 | 2.321E-02 | 2.080E-03 | 2.249E-04 | 5.196E-04 | -2.535E-04 |
14차계수(F) | 4.364E+00 | -7.044E-01 | 1.399E-02 | -1.134E-02 | -5.763E-04 | -5.357E-05 | -9.758E-05 | 4.295E-05 |
16차계수(G) | -4.437E+00 | 5.353E-01 | -6.739E-03 | 3.904E-03 | 1.116E-04 | 7.742E-06 | 1.189E-05 | -5.446E-06 |
18차계수(H) | 3.283E+00 | -2.934E-01 | 2.257E-03 | -9.605E-04 | -1.538E-05 | -6.537E-07 | -9.935E-07 | 5.046E-07 |
20차계수(J) | -1.768E+00 | 1.163E-01 | -5.295E-04 | 1.687E-04 | 1.516E-06 | 2.295E-08 | 5.817E-08 | -3.380E-08 |
22차계수(L) | 6.848E-01 | -3.304E-02 | 8.649E-05 | -2.094E-05 | -1.059E-07 | 1.223E-09 | -2.387E-09 | 1.616E-09 |
24차계수(M) | -1.857E-01 | 6.549E-03 | -9.606E-06 | 1.788E-06 | 5.119E-09 | -1.904E-10 | 6.737E-11 | -5.382E-11 |
26차계수(N) | 3.345E-02 | -8.602E-04 | 6.901E-07 | -9.994E-08 | -1.626E-10 | 1.004E-11 | -1.246E-12 | 1.188E-12 |
28차계수(O) | -3.588E-03 | 6.725E-05 | -2.886E-08 | 3.287E-09 | 3.052E-12 | -2.599E-13 | 1.360E-14 | -1.563E-14 |
30차계수(P) | 1.733E-04 | -2.369E-06 | 5.326E-10 | -4.823E-11 | -2.565E-14 | 2.757E-15 | -6.650E-17 | 9.295E-17 |
조건식 | 실시예1 | 실시예2 | 실시예3 | 실시예4 | 실시예5 |
0 < f1/f < 1.4 | 0.9130 | 0.9278 | 0.9320 | 0.9060 | 0.9007 |
25 < v1-v3 < 45 | 37.8 | 37.8 | 36.8 | 37.8 | 37.8 |
25 < v1-v5 < 45 | 32.5 | 35.6 | 35.6 | 35.6 | 35.6 |
15 < v1-v6 < 25 | 18.64 | 18.64 | 18.64 | 18.64 | 18.64 |
5 < f2/f < 50 | 21.4684 | 15.7401 | 13.4313 | 18.8551 | 16.1224 |
-5 < f3/f < 0 | -2.1671 | -2.1828 | -2.1439 | -2.1348 | -2.1346 |
|f4/f| > 3 | 10.1180 | 12.9335 | 10.7730 | -71.7847 | -14.0829 |
-25 < f5/f < 0 | -7.0241 | -6.5477 | -5.4166 | -9.0965 | -10.4429 |
|f6/f| > 2 | -15.3981 | 15.0388 | -32.3487 | 8.2269 | 7.0015 |
f7/f < 5 | 1.0864 | 1.2625 | 1.0556 | 1.2905 | 1.2253 |
TTL/f < 1.2 | 1.1857 | 1.1794 | 1.1851 | 1.1782 | 1.1732 |
|f1/f2| < 1 | 0.0425 | 0.0589 | 0.0694 | 0.0481 | 0.0559 |
-2 < f2/f3 < 0 | -0.4213 | -0.4250 | -0.4347 | -0.4244 | -0.4219 |
BFL/f < 0.3 | 0.1970 | 0.1970 | 0.2088 | 0.1938 | 0.1979 |
D12/f < 0.1 | 0.0048 | 0.0107 | 0.0109 | 0.0110 | 0.0110 |
D67-D12-D23 > 0.2 | 0.2809 | 0.3043 | 0.2769 | 0.3773 | 0.4264 |
TTL/(2*IMG HT) < 0.8 | 0.7111 | 0.7076 | 0.7124 | 0.7639 | 0.7675 |
D12/D_MAX < 0.15 | 0.0459 | 0.1076 | 0.1110 | 0.1051 | 0.1065 |
(D12+D23)/D_SUM < 0.1 | 0.0434 | 0.0492 | 0.0519 | 0.0583 | 0.0571 |
0.9 < R2/R3 < 1.1 | 1.0024 | 1.0208 | 1.0128 | 1.0264 | 1.0264 |
70° < FOV < 92° | 78.5 | 78.4 | 78.4 | 74.2 | 73.7 |
1.5 < Fno < 2 | 1.78 | 1.78 | 1.83 | 1.78 | 1.80 |
120, 220, 320, 420, 520: 제2 렌즈
130, 230, 330, 430, 530: 제3 렌즈
140, 240, 340, 440, 540: 제4 렌즈
150, 250, 350, 450, 550: 제5 렌즈
160, 260, 360, 460, 560: 제6 렌즈
170, 270, 370, 470, 570: 제7 렌즈
180, 280, 380, 480, 580: 제8 렌즈
190, 290, 390, 490, 590: 필터
191, 291, 391, 491, 591: 이미지 센서
Claims (16)
- 물체측으로부터 순서대로 배치된,
정의 굴절력을 갖고, 물체측 면이 볼록하고 상측 면이 오목한 제1 렌즈;
굴절력을 갖고, 물체측 면이 볼록하고 상측 면이 오목한 제2 렌즈;
굴절력을 갖고, 물체측 면이 볼록하고 상측 면이 오목한 제3 렌즈;
정의 굴절력을 갖는 제4 렌즈;
굴절력을 갖는 제5 렌즈;
부의 굴절력을 갖는 제6 렌즈;
정의 굴절력을 갖는 제7 렌즈; 및
부의 굴절력을 갖는 제8 렌즈;를 포함하며,
0 < f1/f < 1.4 및 25 < v1-v3 < 45 를 만족하며, f는 상기 제1 렌즈 내지 상기 제8 렌즈의 전체 초점거리이고, f1은 상기 제1 렌즈의 초점거리이고, v1은 상기 제1 렌즈의 아베수이고, v3은 상기 제3 렌즈의 아베수이고,
|f4/f| > 3 을 만족하며, f4는 상기 제4 렌즈의 초점거리인 촬상 광학계.
- 제1항에 있어서,
|f1/f2| < 1 을 만족하며, f2는 상기 제2 렌즈의 초점거리인 촬상 광학계.
- 제2항에 있어서,
-2 < f1/f3 < 0 을 만족하며, f3은 상기 제3 렌즈의 초점거리인 촬상 광학계.
- 삭제
- 제1항에 있어서,
|f6/f| > 2 를 만족하며, f6은 상기 제6 렌즈의 초점거리인 촬상 광학계.
- 제1항에 있어서,
f7/f < 5 를 만족하며, f7은 상기 제7 렌즈의 초점거리인 촬상 광학계.
- 제1항에 있어서,
TTL/(2*IMG HT) < 0.8 을 만족하며, TTL은 상기 제1 렌즈의 상기 물체측 면으로부터 이미지 센서의 촬상면까지의 광축 상 거리이고, IMG HT는 상기 이미지 센서의 상기 촬상면의 대각길이의 절반인 촬상 광학계.
- 제7항에 있어서,
TTL/f < 1.2 및 BFL/f < 0.3 을 만족하며, BFL은 상기 제8 렌즈의 상측 면으로부터 상기 이미지 센서의 상기 촬상면까지의 상기 광축 상 거리인 촬상 광학계.
- 제7항에 있어서,
D12/D_MAX < 0.15 를 만족하고, D12는 상기 제1 렌즈의 상기 상측 면과 상기 제2 렌즈의 상기 물체측 면 사이의 광축 상 거리이며, D_MAX는 이웃한 렌즈 사이의 거리들 중에서 가장 큰 거리인 촬상 광학계.
- 제9항에 있어서,
D12/f < 0.1 을 만족하는 촬상 광학계.
- 제1항에 있어서,
0.9 < R2/R3 < 1.1 을 만족하며, R2는 상기 제1 렌즈의 상기 상측 면의 곡률 반경이고, R3은 상기 제2 렌즈의 상기 물체측 면의 곡률 반경인 촬상 광학계.
- 제1항에 있어서,
15 < v1-v6 < 25 를 만족하며, v6은 상기 제6 렌즈의 아베수인 촬상 광학계.
- 제1항에 있어서,
상기 제3 렌즈는 1.67보다 큰 굴절률을 갖는 촬상 광학계.
- 제1항에 있어서,
상기 제4 렌즈는 상측 면이 볼록하고, 상기 제5 렌즈는 물체측 면이 볼록한 촬상 광학계.
- 제14항에 있어서,
상기 제7 렌즈는 물체측 면이 볼록하고 상측 면이 오목하며, 상기 제8 렌즈는 상측 면이 오목한 촬상 광학계.
- 제15항에 있어서,
상기 제4 렌즈는 물체측 면이 오목하고, 상기 제5 렌즈는 상측 면이 오목한 촬상 광학계.
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