JPS51144653A - Zoom lens system - Google Patents
Zoom lens systemInfo
- Publication number
- JPS51144653A JPS51144653A JP50068764A JP6876475A JPS51144653A JP S51144653 A JPS51144653 A JP S51144653A JP 50068764 A JP50068764 A JP 50068764A JP 6876475 A JP6876475 A JP 6876475A JP S51144653 A JPS51144653 A JP S51144653A
- Authority
- JP
- Japan
- Prior art keywords
- zoom lens
- lens system
- lens group
- movable lens
- miniaturizing
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
PURPOSE: Varying the air distance between the front movable lens group and the rear movable lens group varies the focal distances of the whole system, miniaturizing the system without deteriorating the aberration of a zoom lens, which photographing range is extended to wide angle side.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50068764A JPS5913003B2 (en) | 1975-06-06 | 1975-06-06 | Zoom lens system |
DE19762625058 DE2625058C2 (en) | 1975-06-06 | 1976-06-03 | Varifocal lens |
US05/872,064 US4153339A (en) | 1975-06-06 | 1978-01-25 | Zoom lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50068764A JPS5913003B2 (en) | 1975-06-06 | 1975-06-06 | Zoom lens system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51144653A true JPS51144653A (en) | 1976-12-11 |
JPS5913003B2 JPS5913003B2 (en) | 1984-03-27 |
Family
ID=13383118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50068764A Expired JPS5913003B2 (en) | 1975-06-06 | 1975-06-06 | Zoom lens system |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5913003B2 (en) |
DE (1) | DE2625058C2 (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5415733A (en) * | 1977-06-10 | 1979-02-05 | Asahi Optical Co Ltd | Lowwmagnification variableeangleelens system |
JPS5472066A (en) * | 1977-11-18 | 1979-06-09 | Minolta Camera Co Ltd | Divergent refracting power group preceding type two- compoment zoom lens system |
JPS5657018A (en) * | 1979-09-28 | 1981-05-19 | Philips Nv | Variable magnification objective lense |
JPS56147113A (en) * | 1980-04-18 | 1981-11-14 | Canon Inc | Zoom lens |
JPS5719708A (en) * | 1980-07-10 | 1982-02-02 | Konishiroku Photo Ind Co Ltd | Zoom lens |
JPS5720713A (en) * | 1980-07-11 | 1982-02-03 | Canon Inc | Zoom lens |
JPS5727219A (en) * | 1980-07-25 | 1982-02-13 | Canon Inc | Zoom lens |
JPS5748709A (en) * | 1980-09-09 | 1982-03-20 | Konishiroku Photo Ind Co Ltd | Wide angle zoom lens system |
JPS5767908A (en) * | 1980-10-14 | 1982-04-24 | Canon Inc | Wide-angle zoom lens |
JPS57190917A (en) * | 1981-05-20 | 1982-11-24 | Canon Inc | Superwide-angle zoom lens |
JPS5833212A (en) * | 1981-08-21 | 1983-02-26 | Canon Inc | Large aperture wide-angle zoom lens |
JPS5864803U (en) * | 1981-10-27 | 1983-05-02 | トヨタ自動車株式会社 | Auxiliary valve drive structure |
JPS58132209A (en) * | 1982-02-01 | 1983-08-06 | Canon Inc | Wide angle zoom lens |
JPS5931921A (en) * | 1982-08-16 | 1984-02-21 | Olympus Optical Co Ltd | Zoom lens |
JPS6187118A (en) * | 1984-10-05 | 1986-05-02 | Konishiroku Photo Ind Co Ltd | Zoom lens consisting of two groups |
JPS62120718U (en) * | 1986-12-04 | 1987-07-31 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4189212A (en) * | 1976-05-06 | 1980-02-19 | Nippon Kogaku K.K. | Wide angle zoom lens system |
JPS5811609B2 (en) * | 1978-03-10 | 1983-03-03 | 旭光学工業株式会社 | Compact wide-angle zoom lens |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871632A (en) * | 1971-12-27 | 1973-09-27 | ||
JPS492548A (en) * | 1972-04-18 | 1974-01-10 | ||
JPS4920215A (en) * | 1972-06-15 | 1974-02-22 |
-
1975
- 1975-06-06 JP JP50068764A patent/JPS5913003B2/en not_active Expired
-
1976
- 1976-06-03 DE DE19762625058 patent/DE2625058C2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871632A (en) * | 1971-12-27 | 1973-09-27 | ||
JPS492548A (en) * | 1972-04-18 | 1974-01-10 | ||
JPS4920215A (en) * | 1972-06-15 | 1974-02-22 |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5415733A (en) * | 1977-06-10 | 1979-02-05 | Asahi Optical Co Ltd | Lowwmagnification variableeangleelens system |
JPS5716328B2 (en) * | 1977-06-10 | 1982-04-05 | ||
JPS6140966B2 (en) * | 1977-11-18 | 1986-09-12 | Minolta Camera Kk | |
JPS5472066A (en) * | 1977-11-18 | 1979-06-09 | Minolta Camera Co Ltd | Divergent refracting power group preceding type two- compoment zoom lens system |
JPS5657018A (en) * | 1979-09-28 | 1981-05-19 | Philips Nv | Variable magnification objective lense |
JPS56147113A (en) * | 1980-04-18 | 1981-11-14 | Canon Inc | Zoom lens |
JPH0430001B2 (en) * | 1980-04-18 | 1992-05-20 | ||
JPS5719708A (en) * | 1980-07-10 | 1982-02-02 | Konishiroku Photo Ind Co Ltd | Zoom lens |
JPS5720713A (en) * | 1980-07-11 | 1982-02-03 | Canon Inc | Zoom lens |
JPS5727219A (en) * | 1980-07-25 | 1982-02-13 | Canon Inc | Zoom lens |
JPS6354163B2 (en) * | 1980-07-25 | 1988-10-27 | Canon Kk | |
JPS5748709A (en) * | 1980-09-09 | 1982-03-20 | Konishiroku Photo Ind Co Ltd | Wide angle zoom lens system |
JPS6354162B2 (en) * | 1980-09-09 | 1988-10-27 | Konika Kk | |
JPS5767908A (en) * | 1980-10-14 | 1982-04-24 | Canon Inc | Wide-angle zoom lens |
JPS57190917A (en) * | 1981-05-20 | 1982-11-24 | Canon Inc | Superwide-angle zoom lens |
JPS6151771B2 (en) * | 1981-05-20 | 1986-11-10 | Canon Kk | |
JPS5833212A (en) * | 1981-08-21 | 1983-02-26 | Canon Inc | Large aperture wide-angle zoom lens |
JPS5864803U (en) * | 1981-10-27 | 1983-05-02 | トヨタ自動車株式会社 | Auxiliary valve drive structure |
JPS6161655B2 (en) * | 1982-02-01 | 1986-12-26 | Canon Kk | |
JPS58132209A (en) * | 1982-02-01 | 1983-08-06 | Canon Inc | Wide angle zoom lens |
JPS5931921A (en) * | 1982-08-16 | 1984-02-21 | Olympus Optical Co Ltd | Zoom lens |
JPS6187118A (en) * | 1984-10-05 | 1986-05-02 | Konishiroku Photo Ind Co Ltd | Zoom lens consisting of two groups |
JPH0320733B2 (en) * | 1984-10-05 | 1991-03-20 | Konishiroku Photo Ind | |
JPS62120718U (en) * | 1986-12-04 | 1987-07-31 |
Also Published As
Publication number | Publication date |
---|---|
DE2625058C2 (en) | 1985-03-14 |
JPS5913003B2 (en) | 1984-03-27 |
DE2625058A1 (en) | 1976-12-16 |
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