JPS5414232A - Method of detecting focus position depending on chromatic aberration of lens - Google Patents
Method of detecting focus position depending on chromatic aberration of lensInfo
- Publication number
- JPS5414232A JPS5414232A JP8008077A JP8008077A JPS5414232A JP S5414232 A JPS5414232 A JP S5414232A JP 8008077 A JP8008077 A JP 8008077A JP 8008077 A JP8008077 A JP 8008077A JP S5414232 A JPS5414232 A JP S5414232A
- Authority
- JP
- Japan
- Prior art keywords
- focus position
- lens
- chromatic aberration
- position depending
- detecting focus
- 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
Landscapes
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Abstract
PURPOSE: To detect the focus position easily and accurately and contribute to further automatization of camera by using the chromatic aberration of lens and utilizing the fact that the luminous flux passing a pinhole reaches its maximum at the focus position.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8008077A JPS5916247B2 (en) | 1977-07-05 | 1977-07-05 | Focus position detection method using lens chromatic aberration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8008077A JPS5916247B2 (en) | 1977-07-05 | 1977-07-05 | Focus position detection method using lens chromatic aberration |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5414232A true JPS5414232A (en) | 1979-02-02 |
JPS5916247B2 JPS5916247B2 (en) | 1984-04-14 |
Family
ID=13708230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8008077A Expired JPS5916247B2 (en) | 1977-07-05 | 1977-07-05 | Focus position detection method using lens chromatic aberration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5916247B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57155528U (en) * | 1981-03-27 | 1982-09-30 | ||
JPS5859413A (en) * | 1981-10-06 | 1983-04-08 | Olympus Optical Co Ltd | Autofocusing method |
JPS5944009A (en) * | 1982-09-06 | 1984-03-12 | Asahi Optical Co Ltd | Focusing detector |
-
1977
- 1977-07-05 JP JP8008077A patent/JPS5916247B2/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57155528U (en) * | 1981-03-27 | 1982-09-30 | ||
JPS5859413A (en) * | 1981-10-06 | 1983-04-08 | Olympus Optical Co Ltd | Autofocusing method |
JPH0145883B2 (en) * | 1981-10-06 | 1989-10-05 | Olympus Optical Co | |
JPS5944009A (en) * | 1982-09-06 | 1984-03-12 | Asahi Optical Co Ltd | Focusing detector |
JPH0233124B2 (en) * | 1982-09-06 | 1990-07-25 | Asahi Optical Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5916247B2 (en) | 1984-04-14 |
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