JPH0518402B2 - - Google Patents
Info
- Publication number
- JPH0518402B2 JPH0518402B2 JP60143126A JP14312685A JPH0518402B2 JP H0518402 B2 JPH0518402 B2 JP H0518402B2 JP 60143126 A JP60143126 A JP 60143126A JP 14312685 A JP14312685 A JP 14312685A JP H0518402 B2 JPH0518402 B2 JP H0518402B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- secondary imaging
- optical system
- detection device
- focus detection
- 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 - Lifetime
Links
Landscapes
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14312685A JPS623216A (ja) | 1985-06-28 | 1985-06-28 | 焦点検出装置 |
US06/877,850 US4849782A (en) | 1985-06-28 | 1986-06-24 | Focus detecting device |
GB8615463A GB2178621B (en) | 1985-06-28 | 1986-06-25 | Focus detecting device |
DE19863621542 DE3621542A1 (de) | 1985-06-28 | 1986-06-27 | Vorrichtung zur ermittlung des scharfeinstellungszustands eines objektivs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14312685A JPS623216A (ja) | 1985-06-28 | 1985-06-28 | 焦点検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS623216A JPS623216A (ja) | 1987-01-09 |
JPH0518402B2 true JPH0518402B2 (enrdf_load_stackoverflow) | 1993-03-11 |
Family
ID=15331521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14312685A Granted JPS623216A (ja) | 1985-06-28 | 1985-06-28 | 焦点検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS623216A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2770301B2 (ja) * | 1987-05-08 | 1998-07-02 | ミノルタ株式会社 | 焦点検出用光学装置 |
JP2005195786A (ja) * | 2004-01-06 | 2005-07-21 | Canon Inc | 焦点検出装置及びそれを用いた光学機器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55157220U (enrdf_load_stackoverflow) * | 1979-04-27 | 1980-11-12 | ||
JPH0685017B2 (ja) * | 1985-06-10 | 1994-10-26 | ミノルタ株式会社 | 焦点検出装置 |
-
1985
- 1985-06-28 JP JP14312685A patent/JPS623216A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS623216A (ja) | 1987-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4849782A (en) | Focus detecting device | |
US4841326A (en) | Apparatus for detecting the focus adjusted state of an objective optical system | |
US4670645A (en) | Focus detecting device with shading reduction optical filter | |
US7676147B2 (en) | Focus detection apparatus and optical apparatus | |
JPH0250115A (ja) | 焦点検出用光学装置 | |
JPH0731300B2 (ja) | 焦点検出装置 | |
US5109154A (en) | Focus detection device having a plurality of means for forming light patterns provided at different distances from the optical axis | |
US4922282A (en) | Optical apparatus for leading light fluxes transmitted through light dividing surface which is obliquely provided to focus detecting apparatus | |
JPH0518402B2 (enrdf_load_stackoverflow) | ||
JPH0679102B2 (ja) | 焦点検出装置 | |
JPH01120518A (ja) | 焦点検出装置 | |
NL8700059A (nl) | Zoomlens voor een elektronische kamera. | |
JP2706932B2 (ja) | カメラ用焦点検出装置 | |
JPH07104481B2 (ja) | 焦点検出装置 | |
US5289226A (en) | Focus detecting device including a diffusion surface disposed on a predetermined image surface | |
JP4585662B2 (ja) | カメラシステム及びカメラ | |
JPH0688938A (ja) | 焦点検出装置 | |
JP2924367B2 (ja) | 焦点検出装置 | |
JPH01266503A (ja) | 焦点検出装置 | |
JPH0762735B2 (ja) | 焦点検出装置 | |
JPH01120519A (ja) | 焦点検出装置 | |
JPS63280207A (ja) | 焦点検出装置 | |
JPH01120520A (ja) | 焦点検出装置を具えた一眼レフレックスカメラ | |
JPS6374042A (ja) | カメラの測光装置 | |
JPS6256914A (ja) | 焦点検出装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |