JP5777224B2 - ズームレンズおよび撮像装置 - Google Patents
ズームレンズおよび撮像装置 Download PDFInfo
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- JP5777224B2 JP5777224B2 JP2013521434A JP2013521434A JP5777224B2 JP 5777224 B2 JP5777224 B2 JP 5777224B2 JP 2013521434 A JP2013521434 A JP 2013521434A JP 2013521434 A JP2013521434 A JP 2013521434A JP 5777224 B2 JP5777224 B2 JP 5777224B2
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- 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
-
- 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
- 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
- G02B15/145113—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 +-++-
-
- 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
- G02B15/16—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
- G02B15/20—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 an additional movable lens or lens group for varying the objective focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
- G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0046—Movement of one or more optical elements for zooming
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
- Adjustment Of Camera Lenses (AREA)
Description
図2A、図2Bに実施例1のズームレンズを示す。図2Aは実施例1のズームレンズの構成を詳しく示す図である。図2Bは、実施例1のズームレンズに関し、上段にズーム設定を広角端に定めたときの状態(図中に「WIDE」で示す)、下段にズーム設定を望遠端に定めたときの状態(図中に「TELE」で示す)を示すとともに、広角端から望遠端への変倍時の各群の移動経路を矢線で示す図である。
ただし、
Z:非球面の深さ(mm)
h:光軸からレンズ面までの距離(高さ)(mm)
K:2次曲面を表す非球面係数
C:近軸曲率=1/R(R:近軸曲率半径)
An:第n次(nは3以上の整数)の非球面係数
図3A、図3Bに実施例2のズームレンズを示す。図3Aは実施例2のズームレンズの構成を詳しく示す図である。図3Bは、実施例2のズームレンズに関し、上段にズーム設定を広角端に定めたときの状態(図中に「WIDE」で示す)、下段にズーム設定を望遠端に定めたときの状態(図中に「TELE」で示す)を示すとともに、広角端から望遠端への変倍時の各群の移動経路を矢線で示す図である。
図4A、図4Bに実施例3のズームレンズを示す。図4Aは実施例3のズームレンズの構成を詳しく示す図である。図4Bは、実施例3のズームレンズに関し、上段にズーム設定を広角端に定めたときの状態(図中に「WIDE」で示す)、下段にズーム設定を望遠端に定めたときの状態(図中に「TELE」で示す)を示すとともに、広角端から望遠端への変倍時の各群の移動経路を矢線で示す図である。
図5A、図5Bに実施例4のズームレンズを示す。図5Aは実施例4のズームレンズの構成を詳しく示す図である。図5Bは、実施例4のズームレンズに関し、上段にズーム設定を広角端に定めたときの状態(図中に「WIDE」で示す)、下段にズーム設定を望遠端に定めたときの状態(図中に「TELE」で示す)を示すとともに、広角端から望遠端への変倍時の各群の移動経路を矢線で示す図である。
図6A、図6Bに実施例5のズームレンズを示す。図6Aは実施例5のズームレンズの構成を詳しく示す図である。図6Bは、実施例5のズームレンズに関し、上段にズーム設定を広角端に定めたときの状態(図中に「WIDE」で示す)、下段にズーム設定を望遠端に定めたときの状態(図中に「TELE」で示す)を示すとともに、広角端から望遠端への変倍時の各群の移動経路を矢線で示す図である。
Claims (5)
- 物体側から順に、正の屈折力を有する第1レンズ群、負の屈折力を有する第2レンズ群、正の屈折力を有する第3レンズ群、正の屈折力を有する第4レンズ群、負の屈折力を有する第5レンズ群から構成され、
広角端から望遠端へ変倍させる際に、前記第1レンズ群と前記第2レンズ群との間隔を常に増加させ、前記第2レンズ群と前記第3レンズ群との間隔を常に減少させ、前記第3レンズ群と前記第4レンズ群との間隔を常に減少させ、前記第4レンズ群と前記第5レンズ群との間隔を変化させるとともに、全ての前記レンズ群を結像位置に対して移動させるように構成されたものであり、
ピント位置を無限遠側から至近側へ移動させて合焦させる際に、前記第5レンズ群のみを像側へ移動させるように構成され、
前記第3レンズ群は、物体側から順に、正の屈折力を有する第3aレンズ群、負の屈折力を有する第3bレンズ群からなり、前記第3bレンズ群のみを光軸直交方向へ移動させて手ぶれ補正が行なわれるように構成されたものであり、
以下の条件式(M)を満足することを特徴とするズームレンズ。
−2.00<f 3a /f 3b <−0.85・・・(M)
ただし、
f 3a :第3aレンズ群の焦点距離
f 3b :第3bレンズ群の焦点距離 - 以下の条件式(M′)を満足することを特徴とする請求項1記載のズームレンズ。
−1.00<f3a/f3b<−0.85・・・(M′) - 前記第3bレンズ群は、1枚の負レンズと1枚の正レンズからなるものであることを特徴とする請求項1または2記載のズームレンズ。
- 前記第3bレンズ群は、2枚の単レンズからなり、少なくとも1面が非球面であることを特徴とする請求項1または2記載のズームレンズ。
- 請求項1から4のいずれか1項記載のズームレンズを搭載したことを特徴とする撮像装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013521434A JP5777224B2 (ja) | 2011-06-21 | 2012-06-15 | ズームレンズおよび撮像装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011137066 | 2011-06-21 | ||
JP2011137066 | 2011-06-21 | ||
PCT/JP2012/003917 WO2012176412A1 (ja) | 2011-06-21 | 2012-06-15 | ズームレンズおよび撮像装置 |
JP2013521434A JP5777224B2 (ja) | 2011-06-21 | 2012-06-15 | ズームレンズおよび撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012176412A1 JPWO2012176412A1 (ja) | 2015-02-23 |
JP5777224B2 true JP5777224B2 (ja) | 2015-09-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013521434A Active JP5777224B2 (ja) | 2011-06-21 | 2012-06-15 | ズームレンズおよび撮像装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9229203B2 (ja) |
JP (1) | JP5777224B2 (ja) |
CN (1) | CN103635846B (ja) |
WO (1) | WO2012176412A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015162883A1 (ja) * | 2014-04-21 | 2015-10-29 | 株式会社ニコン | 変倍光学系、光学機器及び変倍光学系の製造方法 |
CN112904542B (zh) * | 2021-01-28 | 2022-03-04 | 中国科学院西安光学精密机械研究所 | 一种低畸变高清连续变焦光学系统 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2870035B2 (ja) | 1989-08-28 | 1999-03-10 | ミノルタ株式会社 | 広角域を含む高変倍率ズームレンズ系 |
US5185678A (en) | 1990-07-11 | 1993-02-09 | Minolta Camera Kabushiki Kaisha | Compact high ratio zoom lens system |
JP3044757B2 (ja) | 1990-07-11 | 2000-05-22 | ミノルタ株式会社 | ズームレンズ |
JPH09197271A (ja) | 1996-01-24 | 1997-07-31 | Minolta Co Ltd | ズームレンズ |
JPH10206736A (ja) * | 1997-01-21 | 1998-08-07 | Canon Inc | ズームレンズ |
JPH10333037A (ja) * | 1997-06-05 | 1998-12-18 | Minolta Co Ltd | ズームレンズ |
US6010537A (en) * | 1997-08-19 | 2000-01-04 | Minolta Co., Ltd. | Zoom lens system having an image blur compensation function |
JPH1164728A (ja) | 1997-08-19 | 1999-03-05 | Minolta Co Ltd | 手ぶれ補正機能を有するズームレンズ |
JPH1164729A (ja) * | 1997-08-19 | 1999-03-05 | Minolta Co Ltd | 手ぶれ補正機能を有するズームレンズ |
JP4146977B2 (ja) | 1999-12-10 | 2008-09-10 | キヤノン株式会社 | ズームレンズ |
JP2006195068A (ja) * | 2005-01-12 | 2006-07-27 | Fujinon Corp | 防振機能付き変倍光学系および該変倍光学系を搭載した撮像装置 |
EP1857851A4 (en) * | 2005-03-11 | 2008-07-16 | Sony Corp | ZOOMOBJECTIVE AND PICTURE DEVICE |
JP2009150970A (ja) * | 2007-12-19 | 2009-07-09 | Canon Inc | ズームレンズ及びそれを有する撮像装置 |
US8049968B2 (en) * | 2008-01-11 | 2011-11-01 | Tamron Co., Ltd. | Zoom lens |
JP2009168934A (ja) * | 2008-01-11 | 2009-07-30 | Tamron Co Ltd | ズームレンズ |
US8320051B2 (en) * | 2009-10-13 | 2012-11-27 | Panasonic Corporation | Zoom lens system, imaging device and camera |
US20120154524A1 (en) * | 2009-10-13 | 2012-06-21 | Panasonic Corporation | Zoom Lens System, Imaging Device and Camera |
JP5455551B2 (ja) * | 2009-10-23 | 2014-03-26 | 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 |
US8339713B2 (en) | 2009-11-04 | 2012-12-25 | Nikon Corporation | Zoom optical system, optical apparatus and method for manufacturing zoom optical system |
JP5544827B2 (ja) * | 2009-11-04 | 2014-07-09 | 株式会社ニコン | 変倍光学系、光学装置 |
JPWO2012026088A1 (ja) * | 2010-08-24 | 2013-10-28 | パナソニック株式会社 | ズームレンズ系、交換レンズ装置及びカメラシステム |
JP2013218290A (ja) * | 2012-03-14 | 2013-10-24 | Panasonic Corp | ズームレンズ系、交換レンズ装置及びカメラシステム |
-
2012
- 2012-06-15 WO PCT/JP2012/003917 patent/WO2012176412A1/ja active Application Filing
- 2012-06-15 CN CN201280030053.7A patent/CN103635846B/zh active Active
- 2012-06-15 JP JP2013521434A patent/JP5777224B2/ja active Active
-
2013
- 2013-12-06 US US14/098,619 patent/US9229203B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JPWO2012176412A1 (ja) | 2015-02-23 |
CN103635846A (zh) | 2014-03-12 |
US9229203B2 (en) | 2016-01-05 |
US20140092477A1 (en) | 2014-04-03 |
WO2012176412A1 (ja) | 2012-12-27 |
CN103635846B (zh) | 2016-03-02 |
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