JPS547927A - Photographic lens of excellent focusing operation - Google Patents
Photographic lens of excellent focusing operationInfo
- Publication number
- JPS547927A JPS547927A JP7350877A JP7350877A JPS547927A JP S547927 A JPS547927 A JP S547927A JP 7350877 A JP7350877 A JP 7350877A JP 7350877 A JP7350877 A JP 7350877A JP S547927 A JPS547927 A JP S547927A
- Authority
- JP
- Japan
- Prior art keywords
- photographic lens
- focusing operation
- excellent focusing
- group
- lenses
- 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 eliminate the aberration fluctuation of the whole system accompanying the variation in the distance to an object by arranging a second group of lenses having a positive finite transverse magnification in a converging light flux so that the second lens group is shifted in the direction of the optical axis so as to accomplish the focal adjustment.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7350877A JPS6032848B2 (en) | 1977-06-21 | 1977-06-21 | Photographic lens with good focusing operability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7350877A JPS6032848B2 (en) | 1977-06-21 | 1977-06-21 | Photographic lens with good focusing operability |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS547927A true JPS547927A (en) | 1979-01-20 |
JPS6032848B2 JPS6032848B2 (en) | 1985-07-30 |
Family
ID=13520250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7350877A Expired JPS6032848B2 (en) | 1977-06-21 | 1977-06-21 | Photographic lens with good focusing operability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6032848B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741608A (en) * | 1980-08-27 | 1982-03-08 | Nippon Kogaku Kk <Nikon> | Lens for closeup photographing |
JPS5875107A (en) * | 1981-10-29 | 1983-05-06 | Asahi Optical Co Ltd | Telephoto lens |
JPS6028612A (en) * | 1983-07-27 | 1985-02-13 | Nippon Kogaku Kk <Nikon> | High-aperture ratio telephoto lens |
WO2017138250A1 (en) * | 2016-02-12 | 2017-08-17 | ソニー株式会社 | Imaging lens and imaging device |
-
1977
- 1977-06-21 JP JP7350877A patent/JPS6032848B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741608A (en) * | 1980-08-27 | 1982-03-08 | Nippon Kogaku Kk <Nikon> | Lens for closeup photographing |
JPS6242252B2 (en) * | 1980-08-27 | 1987-09-07 | Nippon Kogaku Kk | |
JPS5875107A (en) * | 1981-10-29 | 1983-05-06 | Asahi Optical Co Ltd | Telephoto lens |
JPS6132650B2 (en) * | 1981-10-29 | 1986-07-28 | Asahi Optical Co Ltd | |
JPS6028612A (en) * | 1983-07-27 | 1985-02-13 | Nippon Kogaku Kk <Nikon> | High-aperture ratio telephoto lens |
JPH0412443B2 (en) * | 1983-07-27 | 1992-03-04 | Nippon Kogaku Kk | |
WO2017138250A1 (en) * | 2016-02-12 | 2017-08-17 | ソニー株式会社 | Imaging lens and imaging device |
Also Published As
Publication number | Publication date |
---|---|
JPS6032848B2 (en) | 1985-07-30 |
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