JP5914760B2 - レンズ装置 - Google Patents
レンズ装置 Download PDFInfo
- Publication number
- JP5914760B2 JP5914760B2 JP2015521390A JP2015521390A JP5914760B2 JP 5914760 B2 JP5914760 B2 JP 5914760B2 JP 2015521390 A JP2015521390 A JP 2015521390A JP 2015521390 A JP2015521390 A JP 2015521390A JP 5914760 B2 JP5914760 B2 JP 5914760B2
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- JP
- Japan
- Prior art keywords
- optical system
- phase difference
- optical
- lens
- prism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000003287 optical effect Effects 0.000 claims description 207
- 238000003384 imaging method Methods 0.000 claims description 65
- 210000001747 pupil Anatomy 0.000 claims description 15
- 238000001444 catalytic combustion detection Methods 0.000 description 15
- 239000011521 glass Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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- 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/16—Beam splitting or combining systems used as aids for focusing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/282—Autofocusing of zoom lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
- G02B7/343—Systems for automatic generation of focusing signals using different areas in a pupil plane using light beam separating prisms
-
- 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
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
- G03B33/10—Simultaneous recording or projection
- G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
-
- 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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
- G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
-
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/002—Details of arrangement of components in or on camera body
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Focusing (AREA)
- Studio Devices (AREA)
- Automatic Focus Adjustment (AREA)
Description
21 第1の光路長差撮像素子(光路長差AF用光学系)
22 第2の光路長差撮像素子(光路長差AF用光学系)
30 位相差AF用光学系
33 位相差撮像素子
91 3方向分割プリズム(光路長差AF用光学系)
Claims (4)
- 被写体光像を表わす光線束を被写体撮像用素子の受光面に結像させる被写体撮像光学系,
前記被写体撮像光学系の光軸と平行な光軸をもち,入射する光線束が瞳分割によって複数に分けられることにより得られる複数の被写体光像が受光面に結像される位相差撮像素子を含む位相差AF用光学系,
光路長が互いに異なる第1の撮像素子と第2の撮像素子とを含む光路長差AF用光学系,ならびに
前記被写体撮像光学系によって前記被写体撮像用素子に導かれる光線束の一部を,前記位相差AF用光学系および前記光路長差AF用光学系に導く光分岐光学系,
を備えたレンズ装置において,
上記位相差AF用光学系は,
上記位相差撮像素子を保持する位相差撮像素子ユニット,および
上記位相差撮像素子ユニットに固定され,入射する光線束を瞳分割して上記位相差撮像素子の受光面に結像するセパレータ・レンズを含むレンズ保持鏡筒を備え,
上記被写体撮像光学系の光軸を通る穴が開けられている保持体,
上記保持体から前方に伸びた支持体,ならびに
上記支持体に対して垂直に折れ曲がっており,かつ穴が開けられており,上記支持体の前面に固定されている取り付け部材,
をさらに備え,
上記取り付け部材に開けられている上記穴に,上記レンズ保持鏡筒が所定角度回転自在に挿入されている,
レンズ装置。 - 上記位相差AF用光学系は,前記被写体撮像光学系の下側に配置されている請求項1に記載のレンズ装置。
- 前記光分岐光学系は,
前記被写体撮像光学系によって前記被写体撮像用素子に導かれる光線束の一部を垂直方向に分岐させる光分岐器,および
前記光分岐器によって分岐させられた光線束をレンズ装置前方に偏向させる光路変更器を備え,
前記光路長差AF用光学系は,前記光路変更器によってレンズ装置前方に導かれた光線束の一部を透過させ,かつレンズ装置前方方向とは異なる2方向に分岐する3方向光分岐器を備え,かつ前記3方向光分岐器によってレンズ装置前方と異なる方向に分岐させられた2つの光線束を前記第1の撮像素子および前記第2の撮像素子に導くものであり,
前記位相差AF用光学系は,前記3方向光分岐器を透過した光線束を入射するものである,
請求項1または2に記載のレンズ装置。 - 上記セパレータ・レンズは,水平方向および垂直方向に複数個配列されている,
請求項1に記載のレンズ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013118494 | 2013-06-05 | ||
JP2013118494 | 2013-06-05 | ||
PCT/JP2014/063774 WO2014196388A1 (ja) | 2013-06-05 | 2014-05-26 | レンズ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5914760B2 true JP5914760B2 (ja) | 2016-05-11 |
JPWO2014196388A1 JPWO2014196388A1 (ja) | 2017-02-23 |
Family
ID=52008039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015521390A Expired - Fee Related JP5914760B2 (ja) | 2013-06-05 | 2014-05-26 | レンズ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9554034B2 (ja) |
JP (1) | JP5914760B2 (ja) |
CN (1) | CN105264418B (ja) |
WO (1) | WO2014196388A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2726219C1 (ru) * | 2020-01-09 | 2020-07-10 | АКЦИОНЕРНОЕ ОБЩЕСТВО "Научно-исследовательский институт оптико-электронного приборостроения" (АО "НИИ ОЭП") | Способ наведения и фокусировки излучения на мишень и устройство для его осуществления |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58211721A (ja) * | 1982-06-04 | 1983-12-09 | Olympus Optical Co Ltd | 合焦検出方法 |
JPS61295523A (ja) * | 1985-06-24 | 1986-12-26 | Minolta Camera Co Ltd | 焦点検出装置 |
JPH09274130A (ja) * | 1996-04-08 | 1997-10-21 | Nikon Corp | レンズ鏡筒及びカメラ |
JP2000266988A (ja) * | 1999-03-16 | 2000-09-29 | Olympus Optical Co Ltd | 電子カメラ |
JP2001264625A (ja) * | 2000-03-15 | 2001-09-26 | Minolta Co Ltd | 焦点検出装置 |
JP2004117491A (ja) * | 2002-09-24 | 2004-04-15 | Fuji Photo Optical Co Ltd | オートフォーカスシステム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0743605A (ja) | 1993-08-02 | 1995-02-14 | Minolta Co Ltd | 自動焦点装置 |
US7209175B1 (en) | 1996-04-08 | 2007-04-24 | Nikon Corporation | Autofocus apparatus |
JP2002006208A (ja) * | 2000-06-23 | 2002-01-09 | Asahi Optical Co Ltd | 自動焦点検出機構を備えたデジタルスチルカメラ |
JP5045125B2 (ja) * | 2006-03-15 | 2012-10-10 | 株式会社ニコン | 被写体追尾装置および光学機器 |
JP5709532B2 (ja) * | 2011-01-05 | 2015-04-30 | キヤノン株式会社 | 自動合焦装置及びそれを有するレンズ装置及び撮像システム |
-
2014
- 2014-05-26 CN CN201480032049.3A patent/CN105264418B/zh not_active Expired - Fee Related
- 2014-05-26 JP JP2015521390A patent/JP5914760B2/ja not_active Expired - Fee Related
- 2014-05-26 WO PCT/JP2014/063774 patent/WO2014196388A1/ja active Application Filing
-
2015
- 2015-12-04 US US14/959,906 patent/US9554034B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58211721A (ja) * | 1982-06-04 | 1983-12-09 | Olympus Optical Co Ltd | 合焦検出方法 |
JPS61295523A (ja) * | 1985-06-24 | 1986-12-26 | Minolta Camera Co Ltd | 焦点検出装置 |
JPH09274130A (ja) * | 1996-04-08 | 1997-10-21 | Nikon Corp | レンズ鏡筒及びカメラ |
JP2000266988A (ja) * | 1999-03-16 | 2000-09-29 | Olympus Optical Co Ltd | 電子カメラ |
JP2001264625A (ja) * | 2000-03-15 | 2001-09-26 | Minolta Co Ltd | 焦点検出装置 |
JP2004117491A (ja) * | 2002-09-24 | 2004-04-15 | Fuji Photo Optical Co Ltd | オートフォーカスシステム |
Also Published As
Publication number | Publication date |
---|---|
US20160088217A1 (en) | 2016-03-24 |
WO2014196388A1 (ja) | 2014-12-11 |
CN105264418A (zh) | 2016-01-20 |
CN105264418B (zh) | 2017-07-11 |
US9554034B2 (en) | 2017-01-24 |
JPWO2014196388A1 (ja) | 2017-02-23 |
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