JPS60153015A - ズ−ムレンズ鏡筒 - Google Patents
ズ−ムレンズ鏡筒Info
- Publication number
- JPS60153015A JPS60153015A JP59008126A JP812684A JPS60153015A JP S60153015 A JPS60153015 A JP S60153015A JP 59008126 A JP59008126 A JP 59008126A JP 812684 A JP812684 A JP 812684A JP S60153015 A JPS60153015 A JP S60153015A
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- cam
- axis direction
- lens group
- cylinder
- 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
- 230000003287 optical effect Effects 0.000 claims description 34
- 230000004075 alteration Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
- G02B15/1431—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive
- G02B15/143105—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive arranged +-+
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59008126A JPS60153015A (ja) | 1984-01-20 | 1984-01-20 | ズ−ムレンズ鏡筒 |
US06/692,195 US4681406A (en) | 1984-01-20 | 1985-01-17 | Zoom lens assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59008126A JPS60153015A (ja) | 1984-01-20 | 1984-01-20 | ズ−ムレンズ鏡筒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60153015A true JPS60153015A (ja) | 1985-08-12 |
JPH0535404B2 JPH0535404B2 (en, 2012) | 1993-05-26 |
Family
ID=11684594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59008126A Granted JPS60153015A (ja) | 1984-01-20 | 1984-01-20 | ズ−ムレンズ鏡筒 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4681406A (en, 2012) |
JP (1) | JPS60153015A (en, 2012) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4779964A (en) * | 1985-11-08 | 1988-10-25 | Ricoh Company, Ltd. | Zoom lens with a mechanism for moving a first lens so as to be compactly housed |
US4963006A (en) * | 1986-12-26 | 1990-10-16 | Nikon Corporation | Zoom lens with inner or rear focusing system |
US4925282A (en) * | 1987-06-04 | 1990-05-15 | Nikon Corporation | Zoom lens assembly |
CA1331429C (en) * | 1988-06-03 | 1994-08-16 | Hiroshi Nomura | Zoom lens barrel and camera incorporating such barrel |
US5262898A (en) * | 1988-06-03 | 1993-11-16 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel and camera incorporating such barrel |
US5231449A (en) * | 1988-06-03 | 1993-07-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel and camera incorporating such barrel |
US5245476A (en) * | 1989-03-14 | 1993-09-14 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel |
US5373397A (en) * | 1992-01-08 | 1994-12-13 | Olympus Optical Co. Ltd. | Lens barrel of short length having the capability of a large zooming magnification and a zoom lens capable of a large forward movement |
JP3190403B2 (ja) * | 1992-01-08 | 2001-07-23 | オリンパス光学工業株式会社 | レンズ鏡筒 |
US5477387A (en) * | 1993-02-26 | 1995-12-19 | Nikon Corporation | Zoom lens barrel with focus interlocking ring |
JPH074106U (ja) * | 1993-06-18 | 1995-01-20 | 株式会社サンバードオート電機 | タイヤの滑り止め装置 |
JPH08297236A (ja) * | 1995-04-26 | 1996-11-12 | Nikon Corp | レンズ鏡筒 |
US5748388A (en) * | 1996-01-26 | 1998-05-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Lens barrel having a rotating barrel and linear moving barrel |
US6717745B2 (en) | 2001-05-09 | 2004-04-06 | George Nemes | Optical systems and methods employing rotating cylindrical lenses/mirrors |
TWI289708B (en) | 2002-12-25 | 2007-11-11 | Qualcomm Mems Technologies Inc | Optical interference type color display |
US7342705B2 (en) | 2004-02-03 | 2008-03-11 | Idc, Llc | Spatial light modulator with integrated optical compensation structure |
KR101628340B1 (ko) | 2006-10-06 | 2016-06-08 | 퀄컴 엠이엠에스 테크놀로지스, 인크. | 디스플레이 장치 및 디스플레이의 형성 방법 |
EP1943551A2 (en) | 2006-10-06 | 2008-07-16 | Qualcomm Mems Technologies, Inc. | Light guide |
US8068710B2 (en) | 2007-12-07 | 2011-11-29 | Qualcomm Mems Technologies, Inc. | Decoupled holographic film and diffuser |
EP3999893A4 (en) * | 2019-07-15 | 2022-10-05 | Torrey Pines Logic, Inc. | AFOCAL ACCESSORY FOR TELESCOPE |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3915557A (en) * | 1974-04-19 | 1975-10-28 | Optigon Res & Dev Corp | Zoom lens |
JPS6020089Y2 (ja) * | 1978-11-17 | 1985-06-17 | ミノルタ株式会社 | ズ−ムレンズ鏡胴 |
JPS57116309A (en) * | 1981-01-12 | 1982-07-20 | Canon Inc | Zoom lens barrel |
-
1984
- 1984-01-20 JP JP59008126A patent/JPS60153015A/ja active Granted
-
1985
- 1985-01-17 US US06/692,195 patent/US4681406A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0535404B2 (en, 2012) | 1993-05-26 |
US4681406A (en) | 1987-07-21 |
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