DE19612643A1 - TTL-Belichtungssteuereinrichtung - Google Patents
TTL-BelichtungssteuereinrichtungInfo
- Publication number
- DE19612643A1 DE19612643A1 DE19612643A DE19612643A DE19612643A1 DE 19612643 A1 DE19612643 A1 DE 19612643A1 DE 19612643 A DE19612643 A DE 19612643A DE 19612643 A DE19612643 A DE 19612643A DE 19612643 A1 DE19612643 A1 DE 19612643A1
- Authority
- DE
- Germany
- Prior art keywords
- data
- distortion
- light
- lens
- interchangeable lens
- 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.)
- Granted
Links
Classifications
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/20—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with change of lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
Description
IΘ : Io=V·cos⁴Θ
IΘ : Io=V·cos⁴Θ·(1-f·D′·tanΘ) : (1+D)²
IΘ : Io=V·cos⁴{tan-1(Y : f)}
Darin ist
IΘ außeraxiale Beleuchtung
Io axiale Beleuchtung
V Vignettierungsfaktor
Θ Eintrittswinkel
f Brennweite
D Verzerrung
D′ δD : δY
Y Bildhöhe
B IΘ : Io ≈ 0,49
C IΘ : Io ≈ 0,29.
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7630795 | 1995-03-31 | ||
JPP7-76307 | 1995-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19612643A1 true DE19612643A1 (de) | 1996-10-02 |
DE19612643B4 DE19612643B4 (de) | 2010-07-08 |
Family
ID=13601722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19612643A Expired - Lifetime DE19612643B4 (de) | 1995-03-31 | 1996-03-29 | TTL-Belichtungssteuereinrichtung |
Country Status (3)
Country | Link |
---|---|
US (1) | US5713053A (de) |
DE (1) | DE19612643B4 (de) |
GB (1) | GB2299679B (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7136096B1 (en) * | 1998-03-11 | 2006-11-14 | Canon Kabushiki Kaisha | Image processing method and apparatus, control method therefor, and storage medium |
JP3477382B2 (ja) | 1998-11-20 | 2003-12-10 | ペンタックス株式会社 | 一眼レフカメラ |
US6833862B1 (en) * | 1999-06-30 | 2004-12-21 | Logitech, Inc. | Image sensor based vignetting correction |
GB2401439B (en) * | 2001-02-19 | 2005-05-25 | Pentax Corp | Photographing lens |
US20030112339A1 (en) * | 2001-12-17 | 2003-06-19 | Eastman Kodak Company | Method and system for compositing images with compensation for light falloff |
US20030207056A1 (en) * | 2002-05-03 | 2003-11-06 | Will Wood | Sealing element for vessel or container closures having improved barrier properties |
JP2005148200A (ja) * | 2003-11-12 | 2005-06-09 | Pentax Corp | 撮影用光量制御装置 |
JP2007019726A (ja) * | 2005-07-06 | 2007-01-25 | Olympus Corp | 撮像装置 |
US20070076101A1 (en) * | 2005-09-30 | 2007-04-05 | Baer Richard L | Self-calibrating and/or self-testing camera module |
DE102006019449A1 (de) * | 2006-04-24 | 2007-10-25 | Leica Camera Ag | Verfahren und Vorrichtung zur Identifizierung von Wechselobjektiven |
US7924341B2 (en) * | 2006-06-05 | 2011-04-12 | Ricoh Co., Ltd. | Optical subsystem with descriptors of its image quality |
JP2008092001A (ja) * | 2006-09-29 | 2008-04-17 | Olympus Corp | カメラ、レンズユニット、カメラ本体および撮影画像処理方法 |
JP5132141B2 (ja) * | 2006-12-07 | 2013-01-30 | キヤノン株式会社 | テレビレンズ装置 |
JP2008252522A (ja) * | 2007-03-30 | 2008-10-16 | Hoya Corp | カメラ |
US8089555B2 (en) * | 2007-05-25 | 2012-01-03 | Zoran Corporation | Optical chromatic aberration correction and calibration in digital cameras |
JP5274391B2 (ja) * | 2009-06-29 | 2013-08-28 | キヤノン株式会社 | レンズ交換式カメラ、及びその制御方法 |
JP5293716B2 (ja) * | 2010-09-30 | 2013-09-18 | 株式会社ニコン | 交換レンズ、カメラボディおよびカメラシステム |
CN107255900B (zh) * | 2011-12-28 | 2020-04-03 | 富士胶片株式会社 | 拍摄装置的控制方法 |
US9986169B2 (en) | 2016-02-04 | 2018-05-29 | KARL STORZ, Imaging, Inc. | Exposure control method and system for an image capture device |
JPWO2019150743A1 (ja) * | 2018-01-30 | 2021-01-07 | ソニー株式会社 | 撮像装置、イメージセンサユニット、カメラユニット及び制御方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683765A (en) * | 1969-01-29 | 1972-08-15 | Canon Kk | Apparatus to determine an amount of exposure |
US4306787A (en) * | 1979-11-22 | 1981-12-22 | Nippon Kogaku K.K. | Exposure control apparatus for camera provided with multi metering device |
JPS57151920A (en) * | 1981-03-16 | 1982-09-20 | Konishiroku Photo Ind Co Ltd | Controller of interchangeable lens camera |
US4673275A (en) * | 1982-03-26 | 1987-06-16 | Minolta Camera Kabushiki Kaisha | Camera system operable by carrying data from a camera accessory to a camera body |
JPS5946634A (ja) * | 1982-09-09 | 1984-03-16 | Minolta Camera Co Ltd | 交換レンズのデ−タ出力装置 |
JPH0772781B2 (ja) * | 1983-08-02 | 1995-08-02 | 株式会社ニコン | カメラ |
JPS6254236A (ja) * | 1985-09-02 | 1987-03-09 | Minolta Camera Co Ltd | 絞り値情報切換可能なレンズ鏡胴 |
JPH0789170B2 (ja) * | 1986-03-28 | 1995-09-27 | 株式会社ニコン | 撮影レンズ鏡筒と該撮影レンズ鏡筒が着脱可能なカメラボディとを有するカメラシステム |
JPS63271239A (ja) * | 1986-12-05 | 1988-11-09 | Asahi Optical Co Ltd | レンズ交換式カメラ露出制御装置 |
JPH0616131B2 (ja) * | 1987-01-12 | 1994-03-02 | キヤノン株式会社 | オート フォーカスカメラ |
JP2526933B2 (ja) * | 1987-10-23 | 1996-08-21 | 株式会社ニコン | カメラ |
JP2859388B2 (ja) * | 1990-07-06 | 1999-02-17 | 旭光学工業株式会社 | 撮影レンズ |
JP3345890B2 (ja) * | 1990-08-06 | 2002-11-18 | 株式会社ニコン | システムカメラおよびリアコンバージョンレンズ鏡筒 |
JP3206913B2 (ja) * | 1990-09-14 | 2001-09-10 | 旭光学工業株式会社 | カメラの自動焦点装置 |
JP3045763B2 (ja) * | 1990-11-22 | 2000-05-29 | 旭光学工業株式会社 | カメラシステム |
JPH0549206A (ja) * | 1991-08-07 | 1993-02-26 | Fuji Electric Co Ltd | 外側回転子電動機及び固定軸に支承される回転板の軸封装置 |
JPH05203866A (ja) * | 1992-01-29 | 1993-08-13 | Nikon Corp | 自動焦点カメラの焦点補正装置 |
-
1996
- 1996-03-29 DE DE19612643A patent/DE19612643B4/de not_active Expired - Lifetime
- 1996-03-29 US US08/624,119 patent/US5713053A/en not_active Expired - Lifetime
- 1996-04-01 GB GB9606891A patent/GB2299679B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB9606891D0 (en) | 1996-06-05 |
US5713053A (en) | 1998-01-27 |
DE19612643B4 (de) | 2010-07-08 |
GB2299679B (en) | 1999-06-23 |
GB2299679A (en) | 1996-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: PENTAX CORP., TOKIO/TOKYO, JP |
|
8127 | New person/name/address of the applicant |
Owner name: HOYA CORP., TOKIO/TOKYO, JP |
|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Representative=s name: SCHAUMBURG, THOENES, THURN, LANDSKRON, ECKERT, DE |
|
R081 | Change of applicant/patentee |
Owner name: PENTAX RICOH IMAGING COMPANY, LTD., JP Free format text: FORMER OWNER: HOYA CORP., TOKYO, JP Effective date: 20120529 |
|
R082 | Change of representative |
Representative=s name: SCHAUMBURG UND PARTNER PATENTANWAELTE MBB, DE Effective date: 20120529 Representative=s name: SCHAUMBURG & PARTNER PATENTANWAELTE MBB, DE Effective date: 20120529 Representative=s name: SCHAUMBURG & PARTNER PATENTANWAELTE GBR, DE Effective date: 20120529 Representative=s name: PATENTANWAELTE SCHAUMBURG, THOENES, THURN, LAN, DE Effective date: 20120529 |
|
R082 | Change of representative |
Representative=s name: SCHAUMBURG UND PARTNER PATENTANWAELTE MBB, DE Representative=s name: SCHAUMBURG & PARTNER PATENTANWAELTE MBB, DE Representative=s name: SCHAUMBURG & PARTNER PATENTANWAELTE GBR, DE |
|
R071 | Expiry of right |