JPS53107824A - Front focusing photographic lens - Google Patents
Front focusing photographic lensInfo
- Publication number
- JPS53107824A JPS53107824A JP2249277A JP2249277A JPS53107824A JP S53107824 A JPS53107824 A JP S53107824A JP 2249277 A JP2249277 A JP 2249277A JP 2249277 A JP2249277 A JP 2249277A JP S53107824 A JPS53107824 A JP S53107824A
- Authority
- JP
- Japan
- Prior art keywords
- photographic lens
- front focusing
- focusing photographic
- groups
- tripplet
- 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
- Lenses (AREA)
Abstract
PURPOSE: To prevent the degradation in various aberrations when focus is controlled to the subject of a short distance by so combining lenses consisting of four groups as to satisfy specific conditions to form a deformed tripplet and moving the first, second groups integrally.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2249277A JPS53107824A (en) | 1977-03-02 | 1977-03-02 | Front focusing photographic lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2249277A JPS53107824A (en) | 1977-03-02 | 1977-03-02 | Front focusing photographic lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53107824A true JPS53107824A (en) | 1978-09-20 |
JPS6153694B2 JPS6153694B2 (en) | 1986-11-19 |
Family
ID=12084219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2249277A Granted JPS53107824A (en) | 1977-03-02 | 1977-03-02 | Front focusing photographic lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53107824A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020027206A (en) * | 2018-08-14 | 2020-02-20 | 株式会社タムロン | Lens optical system and image capturing device |
-
1977
- 1977-03-02 JP JP2249277A patent/JPS53107824A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020027206A (en) * | 2018-08-14 | 2020-02-20 | 株式会社タムロン | Lens optical system and image capturing device |
Also Published As
Publication number | Publication date |
---|---|
JPS6153694B2 (en) | 1986-11-19 |
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