JPH0119121B2 - - Google Patents
Info
- Publication number
- JPH0119121B2 JPH0119121B2 JP55067267A JP6726780A JPH0119121B2 JP H0119121 B2 JPH0119121 B2 JP H0119121B2 JP 55067267 A JP55067267 A JP 55067267A JP 6726780 A JP6726780 A JP 6726780A JP H0119121 B2 JPH0119121 B2 JP H0119121B2
- Authority
- JP
- Japan
- Prior art keywords
- lens group
- focusing
- lens
- distance
- zoom
- 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
Links
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6726780A JPS56162727A (en) | 1980-05-20 | 1980-05-20 | Focusing device of zoom lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6726780A JPS56162727A (en) | 1980-05-20 | 1980-05-20 | Focusing device of zoom lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56162727A JPS56162727A (en) | 1981-12-14 |
JPH0119121B2 true JPH0119121B2 (ko) | 1989-04-10 |
Family
ID=13340007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6726780A Granted JPS56162727A (en) | 1980-05-20 | 1980-05-20 | Focusing device of zoom lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56162727A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5973705U (ja) * | 1982-11-09 | 1984-05-18 | キヤノン株式会社 | 近接合焦機構を備えたカメラ |
JPS59148012A (ja) * | 1983-02-14 | 1984-08-24 | Matsushita Electric Ind Co Ltd | ズ−ムレンズ装置 |
JPS59214814A (ja) * | 1983-05-20 | 1984-12-04 | Canon Inc | ズ−ムレンズ装置 |
JP2773144B2 (ja) * | 1988-08-05 | 1998-07-09 | ミノルタ株式会社 | ズームレンズを備えるカメラ |
US5258802A (en) * | 1989-04-30 | 1993-11-02 | Minolta Camera Kabushiki Kaisha | Camera system which compensates for defocusing during operation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5092127A (ko) * | 1973-12-14 | 1975-07-23 | ||
JPS5266445A (en) * | 1975-11-27 | 1977-06-01 | Fuji Photo Optical Co Ltd | Zoom lens |
JPS53116828A (en) * | 1977-03-23 | 1978-10-12 | Bell & Howell Japan | Autoofocusing system for zoom lens |
JPS5439630A (en) * | 1977-09-05 | 1979-03-27 | Fuji Photo Optical Co Ltd | Focus matching preannouncement display device |
JPS5540447A (en) * | 1978-09-14 | 1980-03-21 | Olympus Optical Co Ltd | Image correcting method in zoom lens |
-
1980
- 1980-05-20 JP JP6726780A patent/JPS56162727A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5092127A (ko) * | 1973-12-14 | 1975-07-23 | ||
JPS5266445A (en) * | 1975-11-27 | 1977-06-01 | Fuji Photo Optical Co Ltd | Zoom lens |
JPS53116828A (en) * | 1977-03-23 | 1978-10-12 | Bell & Howell Japan | Autoofocusing system for zoom lens |
JPS5439630A (en) * | 1977-09-05 | 1979-03-27 | Fuji Photo Optical Co Ltd | Focus matching preannouncement display device |
JPS5540447A (en) * | 1978-09-14 | 1980-03-21 | Olympus Optical Co Ltd | Image correcting method in zoom lens |
Also Published As
Publication number | Publication date |
---|---|
JPS56162727A (en) | 1981-12-14 |
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