JP5006575B2 - ズームレンズ及びそれを用いた撮像装置 - Google Patents
ズームレンズ及びそれを用いた撮像装置 Download PDFInfo
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- JP5006575B2 JP5006575B2 JP2006145153A JP2006145153A JP5006575B2 JP 5006575 B2 JP5006575 B2 JP 5006575B2 JP 2006145153 A JP2006145153 A JP 2006145153A JP 2006145153 A JP2006145153 A JP 2006145153A JP 5006575 B2 JP5006575 B2 JP 5006575B2
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
- G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
- G02B15/144113—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +-++
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
- G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
- G02B15/145129—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +-+++
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Description
◎物体側より像側へ順に、正の屈折力の第1レンズ群、負の屈折力の第2レンズ群、正の屈折力の第3レンズ群、正の屈折力の第4レンズ群を有し、ズーミングに際して該第2、第4レンズ群が移動するズームレンズであって、
該第1レンズ群は、物体側より像側へ順、に負の屈折力の第1aレンズ群、正の屈折力の第1bレンズ群により構成されており、
該第1aレンズ群は、物体側から順に配置された、像側が凹面の2枚以上の負レンズ、1枚以上の正レンズにより構成されており、
該第1bレンズ群は、物体側から順に配置された、1枚以上の両凸形状の正レンズ、負レンズ、2枚以上の正レンズ、又は、1枚以上の両凸形状の正レンズ、負レンズと正レンズより成る接合レンズ、1枚以上の正レンズにより構成されており、
該第1aレンズ群と該第1レンズ群の焦点距離を各々f1a、f1とするとき、
2.28≦|f1a/f1|<4.0
なる条件式を満足することを特徴としている。
2.28≦|f1a/f1|<4.0 ‥‥‥(1)
−7.7<H12w/fw<−3.5 ‥‥‥(2)
−0.09<f1/R1bF<0.455 ‥‥‥(3)
2.8<|f2/fw|<5.2 ‥‥‥(4)
0.01<D3a/f3<0.1 ‥‥‥(6)
なる条件を満足している。
0.02<f1/f1FF<0.83 ‥‥‥(7)
なる条件を満足している。
1.2<f3/f5<3.6 ‥‥‥(8)
なる条件を満足している。
−7.0<H12w/fw<−4.0 ‥‥‥(2a)
−0.07<f1/R1bF<0.417 ‥‥‥(3a)
3.1<|f2/fw|<4.8 ‥‥‥(4a)
0.1<f1/f1FF<0.75 ‥‥‥(7a)
1.4<f3/f5<3.2 ‥‥‥(8a)
尚、更に好ましくは、条件式(1a)の上限値を3.3としたり、条件式(7a)の下限値を0.3としたりしても良い。
数値実施例 1
f=1〜5.84 Fno= 1.66 〜 2.66 2ω=82.5 〜 17.1
R 1 = 55.728 D 1 = 0.94 N 1 = 1.712995 ν 1 = 53.9
R 2 = 8.844 D 2 = 4.12
R 3 = -834.144 D 3 = 0.76 N 2 = 1.719995 ν 2 = 50.2
R 4 = 20.789 D 4 = 1.52
R 5 = 75.948 D 5 = 1.75 N 3 = 1.846660 ν 3 = 23.9
R 6 = -26.570 D 6 = 3.79
R 7 = 18.490 D 7 = 2.89 N 4 = 1.603112 ν 4 = 60.6
R 8 = -18.490 D 8 = 0.66
R 9 = -248.620 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 10.085 D10 = 0.36
R11 = 13.077 D11 = 1.78 N 6 = 1.487490 ν 6 = 70.2
R12 = -45.518 D12 = 0.06
R13 = 9.697 D13 = 1.55 N 7 = 1.719995 ν 7 = 50.2
R14 = 405.903 D14 = 可変
R15 = 11.623 D15 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R16 = 2.651 D16 = 0.99
R17 = -22.930 D17 = 1.20 N 9 = 1.808095 ν 9 = 22.8
R18 = -3.673 D18 = 0.50 N10 = 1.859600 ν10 = 40.4
R19*= 6.115 D19 = 0.50
R20 = 5.964 D20 = 1.13 N11 = 1.603420 ν11 = 38.0
R21 = -5.964 D21 = 0.20 N12 = 1.882997 ν12 = 40.8
R22 = -10.871 D22 = 可変
R23 = 絞り D23 = 1.40
R24 = -5.867 D24 = 0.23 N13 = 1.638539 ν13 = 55.4
R25 = 4.070 D25 = 1.14 N14 = 1.683290 ν14 = 31.4
R26*= -18.373 D26 = 1.86
R27 = 30.383 D27 = 1.61 N15 = 1.548141 ν15 = 45.8
R28 = -4.309 D28 = 0.29 N16 = 2.003300 ν16 = 28.3
R29 = -7.062 D29 = 可変
R30 = 137.286 D30 = 0.73 N17 = 1.622992 ν17 = 58.2
R31 = -11.175 D31 = 0.06
R32 = 11.578 D32 = 0.29 N18 = 1.846660 ν18 = 23.9
R33 = 5.964 D33 = 1.49 N19 = 1.487490 ν19 = 70.2
R34 = -12.755 D34 = 可変
R35 = 11.547 D35 = 0.85 N20 = 1.487490 ν20 = 70.2
R36 = -8.906 D36 = 0.26 N21 = 1.647689 ν21 = 33.8
R37 = -114.307 D37 = 1.75
R38 = ∞ D38 = 5.85 N22 = 1.589130 ν22 = 61.2
R39 = ∞ D39 = 1.10 N23 = 1.516330 ν23 = 64.2
R40 = ∞
*は非球面
非球面係数
R19 k= 9.57065e-01 B=-1.80926e-03 C=-4.75705e-05 D=0.00
E=0.00 F=0.00
R26 k=-2.15005e+01 B= 5.86862e-04 C= 2.13598e-05 D=-7.76637e-07
E=0.00 F=0.00
\焦点距離 1.00 3.93 5.84
可変間隔\
D14 0.29 6.37 7.53
D22 8.30 2.22 1.06
D29 1.82 1.32 1.83
D34 1.15 1.65 1.14
数値実施例 2
f=1〜5.84 Fno= 1.68 〜 2.65 2ω=82.5 〜 17.1
R 1 = 48.316 D 1 = 0.94 N 1 = 1.772499 ν 1 = 49.6
R 2 = 9.028 D 2 = 4.20
R 3 = -101.358 D 3 = 0.76 N 2 = 1.638539 ν 2 = 55.4
R 4 = 20.481 D 4 = 1.36
R 5 = 71.694 D 5 = 1.75 N 3 = 1.846660 ν 3 = 23.9
R 6 = -25.772 D 6 = 3.94
R 7 = 18.654 D 7 = 2.69 N 4 = 1.603112 ν 4 = 60.6
R 8 = -18.654 D 8 = 0.82
R 9 = -206.775 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 10.347 D10 = 0.34
R11 = 13.343 D11 = 1.76 N 6 = 1.487490 ν 6 = 70.2
R12 = -44.086 D12 = 0.06
R13 = 9.939 D13 = 1.44 N 7 = 1.719995 ν 7 = 50.2
R14 = 447.751 D14 = 可変
R15 = 11.953 D15 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R16 = 2.713 D16 = 0.98
R17 = -45.759 D17 = 1.40 N 9 = 1.805181 ν 9 = 25.4
R18 = -2.977 D18 = 0.29 N10 = 1.848620 ν10 = 40.0
R19*= 6.236 D19 = 0.48
R20 = 5.741 D20 = 1.02 N11 = 1.603420 ν11 = 38.0
R21 = -28.249 D21 = 可変
R22 = 絞り D22 = 1.77
R23 = -4.928 D23 = 0.23 N12 = 1.622992 ν12 = 58.2
R24 = 4.928 D24 = 1.14 N13 = 1.683290 ν13 = 31.4
R25*= -14.511 D25 = 1.84
R26 = 33.785 D26 = 1.55 N14 = 1.548141 ν14 = 45.8
R27 = -4.364 D27 = 0.29 N15 = 2.003300 ν15 = 28.3
R28 = -6.952 D28 = 可変
R29 = 61.240 D29 = 0.73 N16 = 1.603112 ν16 = 60.6
R30 = -11.708 D30 = 0.06
R31 = 11.643 D31 = 0.29 N17 = 1.846660 ν17 = 23.9
R32 = 5.931 D32 = 1.58 N18 = 1.487490 ν18 = 70.2
R33 = -13.771 D33 = 可変
R34 = 11.823 D34 = 0.85 N19 = 1.487490 ν19 = 70.2
R35 = -8.558 D35 = 0.26 N20 = 1.647689 ν20 = 33.8
R36 = -67.005 D36 = 1.46
R37 = ∞ D37 = 5.85 N21 = 1.589130 ν21 = 61.2
R38 = ∞ D38 = 1.10 N22 = 1.516330 ν22 = 64.2
R39 = ∞
*は非球面
非球面係数
R19 k= 2.12008e+00 B=-2.35439e-03 C=-1.22931e-04 D=0.00
E=0.00 F=0.00
R25 k=-1.62372e+00 B= 8.69232e-04 C= 9.25646e-06 D=-9.54787e-07
E=0.00 F=0.00
\焦点距離 1.00 3.95 5.84
可変間隔\
D14 0.29 6.52 7.71
D21 8.73 2.50 1.31
D28 1.29 0.75 1.27
D33 1.46 1.99 1.48
数値実施例 3
f=1〜 5.84 Fno= 1.68 〜 2.65 2ω=82.5 〜 17.1
R 1 = 60.659 D 1 = 0.94 N 1 = 1.712995 ν 1 = 53.9
R 2 = 9.219 D 2 = 4.50
R 3 = -48.636 D 3 = 0.76 N 2 = 1.638539 ν 2 = 55.4
R 4 = 25.034 D 4 = 1.40
R 5 = 103.195 D 5 = 1.90 N 3 = 1.846660 ν 3 = 23.9
R 6 = -21.633 D 6 = 4.41
R 7 = 19.247 D 7 = 2.83 N 4 = 1.603112 ν 4 = 60.6
R 8 = -19.247 D 8 = 0.18
R 9 = -931.793 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 10.240 D10 = 0.51
R11 = 15.325 D11 = 1.55 N 6 = 1.487490 ν 6 = 70.2
R12 = -94.158 D12 = 0.06
R13 = 9.951 D13 = 1.58 N 7 = 1.693501 ν 7 = 53.2
R14 = -960.836 D14 = 可変
R15 = 12.119 D15 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R16 = 2.947 D16 = 1.00
R17 = -40.088 D17 = 1.40 N 9 = 1.805181 ν 9 = 25.4
R18 = -3.447 D18 = 0.47 N10 = 1.848620 ν10 = 40.0
R19*= 5.933 D19 = 0.50
R20 = 5.803 D20 = 1.02 N11 = 1.603420 ν11 = 38.0
R21 = -11.104 D21 = 0.23 N12 = 1.882997 ν12 = 40.8
R22 = -16.758 D22 = 可変
R23 = 絞り D23 = 2.01
R24 = -5.111 D24 = 0.23 N13 = 1.638539 ν13 = 55.4
R25 = 5.111 D25 = 1.14 N14 = 1.683290 ν14 = 31.4
R26*= -15.680 D26 = 1.90
R27 = 79.346 D27 = 1.17 N15 = 1.433870 ν15 = 95.1
R28 = -7.368 D28 = 可変
R29 = 23.538 D29 = 0.73 N16 = 1.603112 ν16 = 60.6
R30 = -16.898 D30 = 0.06
R31 = 15.764 D31 = 0.29 N17 = 1.846660 ν17 = 23.9
R32 = 6.655 D32 = 1.58 N18 = 1.487490 ν18 = 70.2
R33 = -10.971 D33 = 可変
R34 = 13.317 D34 = 0.85 N19 = 1.487490 ν19 = 70.2
R35 = -8.206 D35 = 0.26 N20 = 1.698947 ν20 = 30.1
R36 = -32.545 D36 = 1.46
R37 = ∞ D37 = 5.85 N21 = 1.589130 ν21 = 61.2
R38 = ∞ D38 = 1.10 N22 = 1.516330 ν22 = 64.2
R39 = ∞
*は非球面
非球面係数
R19 k= 1.55464e+00 B=-1.88361e-03 C=-6.82493e-05 D=0.00
E=0.00 F=0.00
R26 k=-1.54951e+00 B= 1.33596e-03 C= 2.64342e-05 D=-6.62544e-07
E=0.00 F=0.00
\焦点距離 1.00 3.94 5.84
可変間隔\
D14 0.29 7.25 8.58
D22 9.50 2.54 1.22
D28 1.46 0.94 1.42
D33 1.42 1.94 1.46
数値実施例 4
f=1〜5.84 Fno= 1.68 〜 2.65 2ω=82.5 〜 17.1
R 1 = 54.227 D 1 = 0.94 N 1 = 1.772499 ν 1 = 49.6
R 2 = 9.750 D 2 = 4.35
R 3 = -53.303 D 3 = 0.76 N 2 = 1.638539 ν 2 = 55.4
R 4 = 20.328 D 4 = 2.29
R 5 = 211.980 D 5 = 1.90 N 3 = 1.846660 ν3 = 23.9
R 6 = -20.320 D 6 = 4.31
R 7 = 19.940 D 7 = 2.83 N 4 = 1.603112 ν 4 = 60.6
R 8 = -19.940 D 8 = 0.88
R 9 = -938.652 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 10.223 D10 = 0.39
R11 = 14.337 D11 = 1.45 N 6 = 1.487490 ν 6 = 70.2
R12 = -142.318 D12 = 0.06
R13 = 9.842 D13 = 1.45 N 7 = 1.696797 ν 7 = 55.5
R14 = 590.969 D14 = 可変
R15 = 11.796 D15 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R16 = 2.928 D16 = 0.96
R17 = -110.824 D17 = 1.40 N 9 = 1.808095 ν 9 = 22.8
R18 = -4.808 D18 = 0.47 N10 = 1.848620 ν10 = 40.0
R19*= 6.221 D19 = 0.42
R20 = 5.470 D20 = 1.02 N11 = 1.603420 ν11 = 38.0
R21 = -7.007 D21 = 0.23 N12 = 1.882997 ν12 = 40.8
R22 = -19.590 D22 = 可変
R23 = 絞り D23 = 2.44
R24 = -5.647 D24 = 0.23 N13 = 1.638539 ν13 = 55.4
R25 = 5.647 D25 = 1.14 N14 = 1.683290 ν14 = 31.4
R26*= -18.563 D26 = 2.14
R27 = 77.058 D27 = 1.17 N15 = 1.496999 ν15 = 81.5
R28 = -8.491 D28 = 可変
R29 = 26.207 D29 = 0.73 N16 = 1.603112 ν16 = 60.6
R30 = -17.547 D30 = 0.06
R31 = 14.490 D31 = 0.29 N17 = 1.846660 ν17 = 23.9
R32 = 6.816 D32 = 1.58 N18 = 1.496999 ν18 = 81.6
R33 = -13.363 D33 = 可変
R34 = 15.647 D34 = 0.85 N19 = 1.487490 ν19 = 70.2
R35 = -8.463 D35 = 0.26 N20 = 1.698947 ν20 = 30.1
R36 = -32.700 D36 = 1.46
R37 = ∞ D37 = 5.84 N21 = 1.589130 ν21 = 61.2
R38 = ∞ D38 = 1.10 N22 = 1.516330 ν22 = 64.2
R39 = ∞
*は非球面
非球面係数
R19 k= 1.36203e+00 B=-1.54961e-03 C=-5.12136e-05 D=0.00
E=0.00 F=0.00
R26 k=-4.82085e+00 B= 1.07535e-03 C= 1.96665e-05 D=-6.81464e-07
E=0.00 F=0.00
\焦点距離 1.00 3.95 5.84
可変間隔\
D14 0.29 7.36 8.71
D22 9.49 2.43 1.08
D28 1.46 0.77 1.17
D33 1.87 2.55 2.16
数値実施例 5
f=1〜7.64 Fno= 1.66 〜 2.95 2ω=82.5 〜 13.1
R 1 = 60.588 D 1 = 0.93 N 1 = 1.712995 ν 1 = 53.9
R 2 = 9.071 D 2 = 4.19
R 3 = 1747.387 D 3 = 0.76 N 2 = 1.719995 ν 2 = 50.2
R 4 = 22.573 D 4 = 1.48
R 5 = 77.437 D 5 = 1.78 N 3 = 1.846660 ν 3 = 23.9
R 6 = -25.177 D 6 = 3.90
R 7 = 18.577 D 7 = 2.98 N 4 = 1.603112 ν 4 = 60.6
R 8 = -18.577 D 8 = 0.25
R 9 = -205.801 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 10.137 D10 = 0.40
R11 = 13.449 D11 = 1.78 N 6 = 1.487490 ν 6 = 70.2
R12 = -66.098 D12 = 0.06
R13 = 9.857 D13 = 1.58 N 7 = 1.719995 ν 7 = 50.2
R14 = 460.450 D14 = 可変
R15 = 11.110 D15 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R16 = 2.652 D16 = 1.05
R17 = -25.710 D17 = 1.20 N 9 = 1.808095 ν 9 = 22.8
R18 = -3.602 D18 = 0.50 N10 = 1.859600 ν10 = 40.4
R19*= 5.810 D19 = 0.50
R20 = 5.695 D20 = 1.14 N11 = 1.603420 ν11 = 38.0
R21 = -5.695 D21 = 0.20 N12 = 1.882997 ν12 = 40.8
R22 = -11.597 D22 = 可変
R23 = 絞り D23 = 1.06
R24 = -6.017 D24 = 0.23 N13 = 1.638539 ν13 = 55.4
R25 = 4.380 D25 = 1.14 N14 = 1.683290 ν14 = 31.4
R26*= -18.056 D26 = 1.84
R27 = 27.200 D27 = 1.61 N15 = 1.548141 ν15 = 45.8
R28 = -4.307 D28 = 0.29 N16 = 2.003300 ν16 = 28.3
R29 = -7.070 D29 = 可変
R30 = 140.480 D30 = 0.73 N17 = 1.622992 ν17 = 58.2
R31 = -11.298 D31 = 0.06
R32 = 11.963 D32 = 0.29 N18 = 1.846660 ν18 = 23.9
R33 = 6.100 D33 = 1.49 N19 = 1.487490 ν19 = 70.2
R34 = -13.286 D34 = 可変
R35 = 12.235 D35 = 0.85 N20 = 1.487490 ν20 = 70.2
R36 = -8.964 D36 = 0.26 N21 = 1.647689 ν21 = 33.8
R37 = -90.929 D37 = 1.75
R38 = ∞ D38 = 5.84 N22 = 1.589130 ν22 = 61.2
R39 = ∞ D39 = 1.10 N23 = 1.516330 ν23 = 64.2
R40 = ∞
*は非球面
非球面係数
R19 k= 7.27547e-01 B=-1.74498e-03 C=-4.15999e-05 D=0.00
E=0.00 F=0.00
R26 k=-2.11922e+01 B= 4.97721e-04 C= 2.24620e-05 D=-1.74512e-06
E=0.00 F=0.00
\焦点距離 1.00 4.73 7.64
可変間隔\
D14 0.29 7.11 8.41
D22 9.03 2.20 0.91
D29 1.81 1.18 2.07
D34 1.31 1.93 1.05
数値実施例 6
f=1〜 5.84 Fno= 1.66 〜 2.06 2ω=82.5 〜 17.1
R 1 = 39.180 D 1 = 0.94 N 1 = 1.712995 ν 1 = 53.9
R 2 = 8.926 D 2 = 4.31
R 3 = -586.941 D 3 = 0.76 N 2 = 1.719995 ν 2 = 50.2
R 4 = 16.889 D 4 = 1.70
R 5 = 42.969 D 5 = 1.87 N 3 = 1.846660 ν 3 = 23.9
R 6 = -28.993 D 6 = 4.44
R 7 = 20.532 D 7 = 2.78 N 4 = 1.693501 ν 4 = 53.2
R 8 = -20.532 D 8 = 0.15
R 9 = 2981.244 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 7.932 D10 = 2.64 N 6 = 1.496999 ν 6 = 81.5
R11 = -343.826 D11 = 0.06
R12 = 10.456 D12 = 1.55 N 7 = 1.834000 ν 7 = 37.2
R13 = 134.579 D13 = 可変
R14 = 11.099 D14 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R15 = 2.614 D15 = 1.05
R16 = -22.875 D16 = 1.20 N 9 = 1.808095 ν 9 = 22.8
R17 = -3.697 D17 = 0.50 N10 = 1.859600 ν10 = 40.4
R18*= 5.828 D18 = 0.51
R19 = 5.907 D19 = 1.13 N11 = 1.603420 ν11 = 38.0
R20 = -5.907 D20 = 0.20 N12 = 1.882997 ν12 = 40.8
R21 = -11.060 D21 = 可変
R22 = 絞り D22 = 0.98
R23 = -5.869 D23 = 0.23 N13 = 1.638539 ν13 = 55.4
R24 = 4.135 D24 = 1.14 N14 = 1.683290 ν14 = 31.4
R25*= -18.230 D25 = 1.84
R26 = 29.742 D26 = 1.61 N15 = 1.548141 ν15 = 45.8
R27 = -4.311 D27 = 0.29 N16 = 2.003300 ν16 = 28.3
R28 = -7.073 D28 = 可変
R29 = 149.677 D29 = 0.73 N17 = 1.622992 ν17 = 58.2
R30 = -11.179 D30 = 0.06
R31 = 11.578 D31 = 0.29 N18 = 1.846660 ν18 = 23.9
R32 = 5.987 D32 = 1.54 N19 = 1.487490 ν19 = 70.2
R33 = -12.771 D33 = 可変
R34 = 11.426 D34 = 0.85 N20 = 1.487490 ν20 = 70.2
R35 = -9.059 D35 = 0.26 N21 = 1.647689 ν21 = 33.8
R36 = -104.038 D36 = 1.75
R37 = ∞ D37 = 5.84 N22 = 1.589130 ν22 = 61.2
R38 = ∞ D38 = 1.10 N23 = 1.516330 ν23 = 64.2
R39 = ∞
*は非球面
非球面係数
R18 k= 5.36513e-02 B=-1.49583e-03 C=-3.74820e-05 D= 0.00000e+00
E= 0.00000e+00 F= 0.00000e+00
R25 k=-1.04670e+01 B= 8.10605e-04 C= 9.09617e-06 D=-1.95751e-07
E= 0.00000e+00 F= 0.00000e+00
\焦点距離 1.00 3.92 5.84
可変間隔\
D13 0.29 6.13 7.24
D21 8.44 2.60 1.49
D28 1.83 1.30 1.82
D33 1.14 1.66 1.14
数値実施例 7
f=1〜7.45 Fno= 1.66 〜 2.95 2ω=82.4 〜 13.4
R 1 = 44.646 D 1 = 0.93 N 1 = 1.712995 ν 1 = 53.9
R 2 = 9.256 D 2 = 4.79
R 3 = -38.531 D 3 = 0.85 N 2 = 1.719995 ν 2 = 50.2
R 4 = 22.491 D 4 = 1.68
R 5 = 97.614 D 5 = 2.34 N 3 = 1.846660 ν 3 = 23.9
R 6 = -19.144 D 6 = 4.61
R 7 = 19.465 D 7 = 2.80 N 4 = 1.603112 ν 4 = 60.6
R 8 = -19.465 D 8 = 0.35
R 9 = -186.277 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 10.161 D10 = 0.40
R11 = 13.429 D11 = 1.67 N 6 = 1.487490 ν 6 = 70.2
R12 = -1198.396 D12 = 0.06
R13 = 10.478 D13 = 1.66 N 7 = 1.719995 ν 7 = 50.2
R14 = 527.489 D14 = 可変
R15 = 8.123 D15 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R16 = 2.730 D16 = 1.12
R17 = -15.211 D17 = 1.20 N 9 = 1.808095 ν 9 = 22.8
R18 = -4.132 D18 = 0.50 N10 = 1.859600 ν10 = 40.4
R19*= 6.400 D19 = 0.49
R20 = 5.919 D20 = 1.14 N11 = 1.603420 ν11 = 38.0
R21 = -5.919 D21 = 0.20 N12 = 1.882997 ν12 = 40.8
R22 = -10.468 D22 = 可変
R23 = 絞り D23 = 0.99
R24 = -7.326 D24 = 0.23 N13 = 1.638539 ν13 = 55.4
R25 = 6.214 D25 = 1.14 N14 = 1.683290 ν14 = 31.4
R26*= -18.567 D26 = 2.34
R27 = 111.556 D27 = 1.61 N15 = 1.548141 ν15 = 45.8
R28 = -4.520 D28 = 0.29 N16 = 2.003300 ν16 = 28.3
R29 = -6.535 D29 = 可変
R30 = 45.509 D30 = 0.82 N17 = 1.638539 ν17 = 55.4
R31 = -12.261 D31 = 0.06
R32 = 8.890 D32 = 0.29 N18 = 1.922860 ν18 = 18.9
R33 = 5.630 D33 = 1.49 N19 = 1.433870 ν19 = 95.1
R34 = -14.661 D34 = 可変
R35 = ∞ D35 = 0.85 N20 = 1.487490 ν20 = 70.2
R36 = ∞ D36 = 0.26 N21 = 1.647689 ν21 = 33.8
R37 = ∞ D37 = 1.75
R38 = ∞ D38 = 5.84 N22 = 1.589130 ν22 = 61.2
R39 = ∞ D39 = 1.10 N23 = 1.516330 ν23 = 64.2
R40 = ∞
*は非球面
非球面係数
R19 k= 3.19964e-01 B=-8.14760e-04 C=3.43387e-05 D=0.0
E=0.00 F=0.00
R26 k=-3.69462e+01 B= 5.20021e-04 C=5.10133e-05 D=-3.02259e-06
E=0.00 F=0.00
\焦点距離 1.00 4.61 7.45
可変間隔\
D14 0.29 8.60 10.18
D22 10.79 2.49 0.91
D29 0.77 0.31 0.78
D34 0.93 1.39 0.93
数値実施例 8
f=1〜 4.70 Fno= 1.66 〜 2.06 2ω=82.3 〜 21.1
R 1 = 100.213 D 1 = 0.93 N 1 = 1.712995 ν 1 = 53.9
R 2 = 11.631 D 2 = 4.58
R 3 = -38.830 D 3 = 0.84 N 2 = 1.719995 ν 2 = 50.2
R 4 = 24.269 D 4 = 2.11
R 5 = -34222.160 D 5 = 2.33 N 3 = 1.846660 ν3 = 23.9
R 6 = -19.876 D 6 = 5.64
R 7 = 22.370 D 7 = 2.80 N 4 = 1.563839 ν 4 = 60.7
R 8 = -22.370 D 8 = 0.39
R 9 = 26.314 D 9 = 0.58 N 5 = 1.846660 ν 5 = 23.9
R10 = 8.291 D10 = 2.37 N 6 = 1.518229 ν 6 = 58.9
R11 = 43.630 D11 = 0.06
R12 = 9.495 D12 = 1.60 N 7 = 1.517417 ν 7 = 52.4
R13 = 54.537 D13 = 可変
R14 = 7.817 D14 = 0.29 N 8 = 1.882997 ν 8 = 40.8
R15 = 2.724 D15 = 1.23
R16 = -12.708 D16 = 1.19 N 9 = 1.808095 ν 9 = 22.8
R17 = -4.264 D17 = 0.50 N10 = 1.859600 ν10 = 40.4
R18*= 7.038 D18 = 0.47
R19 = 5.999 D19 = 1.14 N11 = 1.603420 ν11 = 38.0
R20 = -5.999 D20 = 0.20 N12 = 1.882997 ν12 = 40.8
R21 = -10.274 D21 = 可変
R22 = 絞り D22 = 1.02
R23 = -6.566 D23 = 0.23 N13 = 1.638539 ν13 = 55.4
R24 = 9.486 D24 = 1.14 N14 = 1.688931 ν14 = 31.1
R25*= -17.487 D25 = 2.22
R26 = 158.312 D26 = 1.60 N15 = 1.548141 ν15 = 45.8
R27 = -4.600 D27 = 0.29 N16 = 2.003300 ν16 = 28.3
R28 = -6.538 D28 = 可変
R29 = 46.927 D29 = 0.82 N17 = 1.638539 ν17 = 55.4
R30 = -11.673 D30 = 0.06
R31 = 8.348 D31 = 0.29 N18 = 1.922860 ν18 = 18.9
R32 = 5.556 D32 = 1.49 N19 = 1.433870 ν19 = 95.1
R33 = -17.557 D33 = 可変
R34 = ∞ D34 = 0.84 N20 = 1.487490 ν20 = 70.2
R35 = ∞ D35 = 0.26 N21 = 1.647689 ν21 = 33.8
R36 = ∞ D36 = 1.75
R37 = ∞ D37 = 5.83 N22 = 1.589130 ν22 = 61.2
R38 = ∞ D38 = 1.09 N23 = 1.516330 ν23 = 64.2
R39 = ∞
*は非球面
非球面係数
R18 k= 6.36477e-02 B=-5.39706e-04 C=5.86568e-05 D= 0.0
E= 0.00000e+00 F= 0.00000e+00
R25 k=-4.67145e+01 B= 1.13187e-04 C=8.62692e-05 D=-4.62136e-06
E= 0.00000e+00 F=0.00000e+00
\焦点距離 1.00 3.35 4.70
可変間隔\
D13 0.29 7.69 9.09
D21 11.29 3.90 2.49
D28 0.75 0.25 0.29
D33 0.78 1.28 1.24
CB カメラ本体
GA 保護ガラス
GB 光学ブロック
C マウント部材
L1 第1レンズ群
L2 第2レンズ群
L3 第3レンズ群
L4 第4レンズ群
SP 絞り
IP 像面
G ガラスブロック
d d線
g g線
ΔS サジタル像面
ΔM メリディオナル像面
Fno Fナンバー
10 カメラ本体
11 撮影光学系
12 撮像素子
13 記録手段
14 ファインダー
15 液晶表示パネル
Claims (12)
- 物体側より像側へ順に、正の屈折力の第1レンズ群、負の屈折力の第2レンズ群、正の屈折力の第3レンズ群、正の屈折力の第4レンズ群を有し、ズーミングに際して該第2、第4レンズ群が移動するズームレンズであって、
該第1レンズ群は、物体側より像側へ順に、負の屈折力の第1aレンズ群、正の屈折力の第1bレンズ群により構成されており、
該第1aレンズ群は、物体側から順に配置された、像側が凹面の2枚以上の負レンズ、1枚以上の正レンズにより構成されており、
該第1bレンズ群は、物体側から順に配置された、1枚以上の両凸形状の正レンズ、負レンズ、2枚以上の正レンズ、又は、1枚以上の両凸形状の正レンズ、負レンズと正レンズより成る接合レンズ、1枚以上の正レンズにより構成されており、
該第1aレンズ群と該第1レンズ群の焦点距離を各々f1a、f1とするとき、
2.28≦|f1a/f1|<4.0
なる条件式を満足することを特徴とするズームレンズ。 - 前記第1bレンズ群の最も像側に配置された正レンズは、屈折力の絶対値が像側に比べ物体側に大きい、物体側が凸面の正レンズであることを特徴とする請求項1記載のズームレンズ。
- 前記第1bレンズ群内の前記接合レンズ或いは前記負レンズより像側に配置された正レンズが、物体側に凸面を有する2枚以下の正レンズであることを特徴とする請求項1又は2記載のズームレンズ。
- 前記第4レンズ群よりも像側に配置された、正の屈折力の第5レンズ群を有することを特徴とする請求項1乃至3のいずれか1項に記載のズームレンズ。
- 前記第3レンズ群と前記第5レンズ群の焦点距離を各々f3、f5とするとき、
1.2<f3/f5<3.6
なる条件を満足することを特徴とする請求項4記載のズームレンズ。 - 広角端における前記第1レンズ群と前記第2レンズ群の主点間隔をH12w、広角端における全系の焦点距離をfwとするとき、
−7.7<H12w/fw<−3.5
なる条件を満足することを特徴とする請求項1乃至5のいずれか1項に記載のズームレンズ。 - 前記第1bレンズ群中の負レンズの物体側の面の曲率半径をR1bF、前記第1レンズ群の焦点距離をf1とするとき、
−0.09<f1/R1bF<0.455
なる条件を満足することを特徴とする請求項1乃至6のいずれか1項に記載のズームレンズ。 - 前記第2レンズ群の焦点距離をf2、広角端における全系の焦点距離をfw、広角端における全系のFナンバーをFnow、広角端において最も像側のレンズ面から像面までの距離の空気換算量をBFとするとき、
2.8<|f2/fw|<5.2
- 前記第3レンズ群は少なくとも1つの空気間隔を挟んで複数のレンズを有し、該少なくとも1つの空気間隔の光軸方向の長さをD3a、前記第3レンズ群の焦点距離をf3とするとき、
0.01<D3a/f3<0.1
なる条件を満足することを特徴とする請求項1乃至8のいずれか1項に記載のズームレンズ。 - 前記第1aレンズ群と前記第1bレンズ群のうちの両凸形状の正レンズまでの合成系の焦点距離をf1FF、前記第1レンズ群の焦点距離をf1とするとき、
0.02<f1/f1FF<0.83
なる条件を満足することを特徴とする請求項1乃至9のいずれか1項に記載のズームレンズ。 - 固体撮像素子上に像を形成することを特徴とする請求項1乃至10のいずれか1項に記載のズームレンズ。
- 請求項1乃至11のいずれか1項に記載のズームレンズと、該ズームレンズによって、形成された像を受光する固体撮像素子を有していることを特徴とする撮影装置。
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US11/743,372 US7417802B2 (en) | 2006-05-25 | 2007-05-02 | Zoom lens and image pickup apparatus equipped with same |
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EP1415113B1 (en) | 2001-07-16 | 2011-08-31 | Idaho Technology, Inc. | Thermal cycling system and method of use |
JP5159203B2 (ja) * | 2007-08-03 | 2013-03-06 | 株式会社エルモ社 | ズームレンズ |
JP5418745B2 (ja) * | 2008-03-04 | 2014-02-19 | 株式会社ニコン | 撮影レンズ、及び、この撮影レンズを備えた光学機器 |
JP5229954B2 (ja) * | 2009-01-08 | 2013-07-03 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
US9164266B2 (en) | 2009-02-19 | 2015-10-20 | Infinity Photo-Optical Company | Complex modular afocal variator with spherical and chromatic aberration correction |
JP5387392B2 (ja) * | 2009-12-25 | 2014-01-15 | ソニー株式会社 | ズームレンズ及び撮像装置 |
JP5675397B2 (ja) * | 2010-02-16 | 2015-02-25 | キヤノン株式会社 | 光学系および光学機器 |
KR101844509B1 (ko) * | 2010-10-27 | 2018-04-02 | 삼성전자주식회사 | 줌렌즈 및 이를 구비한 촬영 장치 |
JP5623305B2 (ja) * | 2011-02-07 | 2014-11-12 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
JP5777225B2 (ja) * | 2011-09-16 | 2015-09-09 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
WO2013065250A1 (ja) * | 2011-11-04 | 2013-05-10 | パナソニック株式会社 | ズームレンズ系、撮像装置及びカメラ |
TWI431317B (zh) * | 2011-12-15 | 2014-03-21 | Young Optics Inc | 鏡頭模組和攝像裝置 |
JP5904014B2 (ja) * | 2012-05-30 | 2016-04-13 | 株式会社ニコン | 撮影レンズ、光学機器、および撮影レンズの製造方法 |
CN106772964B (zh) | 2014-08-06 | 2019-12-27 | 歌尔科技有限公司 | 一种变焦镜头 |
CN107589527A (zh) * | 2014-10-17 | 2018-01-16 | 奥林巴斯株式会社 | 望远镜头以及具有该望远镜头的摄像装置 |
JP6598147B2 (ja) * | 2015-02-20 | 2019-10-30 | 株式会社タムロン | ズームレンズ |
EP3159726A3 (en) | 2015-10-20 | 2017-07-05 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus including the same |
JP6549966B2 (ja) * | 2015-10-20 | 2019-07-24 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
JP6429758B2 (ja) * | 2015-10-20 | 2018-11-28 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
JP6401420B2 (ja) * | 2016-03-29 | 2018-10-10 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
US11953752B1 (en) | 2017-08-18 | 2024-04-09 | H. Jay Margolis | Universal photographic and cinematographic lens system |
US10935753B1 (en) * | 2017-08-18 | 2021-03-02 | H. Jay Margolis | Universal photographic and cinematographic lens system |
US11269156B1 (en) | 2018-09-05 | 2022-03-08 | H. Jay Margolis | Complex focusing system |
CN112099211B (zh) * | 2020-09-27 | 2022-07-05 | 杭州海康威视数字技术股份有限公司 | 变焦光学***及图像采集设备 |
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JP3109342B2 (ja) * | 1993-09-17 | 2000-11-13 | キヤノン株式会社 | リヤーフォーカス式のズームレンズ |
JP3601733B2 (ja) | 1995-09-26 | 2004-12-15 | フジノン株式会社 | 高倍率ズームレンズ |
JPH10170827A (ja) * | 1996-12-11 | 1998-06-26 | Fuji Photo Optical Co Ltd | ズームレンズ |
JP3667054B2 (ja) * | 1997-09-26 | 2005-07-06 | キヤノン株式会社 | リヤーフォーカス式のズームレンズ及びそれを有するカメラ |
JPH11287954A (ja) | 1998-03-31 | 1999-10-19 | Canon Inc | リヤーフォーカス式のズームレンズ |
JP3943704B2 (ja) | 1998-03-31 | 2007-07-11 | キヤノン株式会社 | リアフォーカス式のズームレンズ |
JP2002365539A (ja) | 2001-06-08 | 2002-12-18 | Sony Corp | ズームレンズおよびこれを用いた撮像装置 |
JP4481598B2 (ja) * | 2003-07-11 | 2010-06-16 | リコー光学株式会社 | ワイドコンバータレンズおよびそれを用いた光学装置 |
JP4677210B2 (ja) * | 2004-08-05 | 2011-04-27 | キヤノン株式会社 | ズームレンズおよびそれを用いた撮像装置 |
JP4659429B2 (ja) * | 2004-10-21 | 2011-03-30 | キヤノン株式会社 | ワイドコンバーターレンズとそれを有する撮像装置 |
JP4761512B2 (ja) * | 2005-04-22 | 2011-08-31 | オリンパスイメージング株式会社 | ズームレンズ及びそれを用いた撮像装置 |
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