JPS4881545A - - Google Patents
Info
- Publication number
- JPS4881545A JPS4881545A JP47011707A JP1170772A JPS4881545A JP S4881545 A JPS4881545 A JP S4881545A JP 47011707 A JP47011707 A JP 47011707A JP 1170772 A JP1170772 A JP 1170772A JP S4881545 A JPS4881545 A JP S4881545A
- Authority
- JP
- Japan
- 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
- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
-
- 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
- G02B15/144—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 four groups only
- G02B15/1441—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 four groups only the first group being positive
- G02B15/144105—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 four groups only the first group being positive arranged +-+-
-
- 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
- G02B15/144—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 four groups only
- G02B15/1441—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 four groups only the first group being positive
- G02B15/144113—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 four groups only the first group being positive arranged +-++
-
- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47011707A JPS5112424B2 (ru) | 1972-02-01 | 1972-02-01 | |
| GB437673A GB1418731A (en) | 1972-02-01 | 1973-01-29 | Zoom lens systems |
| FR7303426A FR2170086B1 (ru) | 1972-02-01 | 1973-01-31 | |
| DE2304737A DE2304737C2 (de) | 1972-02-01 | 1973-01-31 | Mechanisch kompensiertes Varioobjektiv |
| US05/506,128 US3972591A (en) | 1972-02-01 | 1974-09-16 | Greatly variable magnification zoom lens system of large aperture ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47011707A JPS5112424B2 (ru) | 1972-02-01 | 1972-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4881545A true JPS4881545A (ru) | 1973-10-31 |
| JPS5112424B2 JPS5112424B2 (ru) | 1976-04-19 |
Family
ID=11785503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47011707A Expired JPS5112424B2 (ru) | 1972-02-01 | 1972-02-01 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5112424B2 (ru) |
| DE (1) | DE2304737C2 (ru) |
| FR (1) | FR2170086B1 (ru) |
| GB (1) | GB1418731A (ru) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51144652A (en) * | 1975-06-06 | 1976-12-11 | Canon Inc | Built-in multiplying factor altering optical system |
| JPS52120850A (en) * | 1976-04-02 | 1977-10-11 | Elmo Co Ltd | Zoom lens having high zoom ratio and large relative aperture |
| JPS54178720U (ru) * | 1978-06-06 | 1979-12-17 | ||
| JP4517422B2 (ja) * | 1999-11-24 | 2010-08-04 | 株式会社ニコン | アフォーカルズームレンズ及び該レンズを備える顕微鏡 |
| JP2013024965A (ja) * | 2011-07-19 | 2013-02-04 | Fujifilm Corp | 投写用変倍光学系および投写型表示装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018204155B4 (de) | 2018-03-19 | 2020-01-23 | Carl Zeiss Ag | Objektiv mit veränderlicher Brennweite und Verfahren zur Steuerung des Objektivs sowie Fernrohr und Fernglas mit einem solchen Objektiv |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547523A (en) * | 1967-07-13 | 1970-12-15 | Konishiroku Photo Ind | Zoom objective lens system with highly reduced secondary chromatic aberration |
-
1972
- 1972-02-01 JP JP47011707A patent/JPS5112424B2/ja not_active Expired
-
1973
- 1973-01-29 GB GB437673A patent/GB1418731A/en not_active Expired
- 1973-01-31 DE DE2304737A patent/DE2304737C2/de not_active Expired
- 1973-01-31 FR FR7303426A patent/FR2170086B1/fr not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51144652A (en) * | 1975-06-06 | 1976-12-11 | Canon Inc | Built-in multiplying factor altering optical system |
| JPS52120850A (en) * | 1976-04-02 | 1977-10-11 | Elmo Co Ltd | Zoom lens having high zoom ratio and large relative aperture |
| JPS5653731B2 (ru) * | 1976-04-02 | 1981-12-21 | ||
| JPS54178720U (ru) * | 1978-06-06 | 1979-12-17 | ||
| JPS5919590Y2 (ja) * | 1978-06-06 | 1984-06-06 | 日「鉄」溶接工業株式会社 | 被覆ア−ク溶接棒の移送区分装置 |
| JP4517422B2 (ja) * | 1999-11-24 | 2010-08-04 | 株式会社ニコン | アフォーカルズームレンズ及び該レンズを備える顕微鏡 |
| JP2013024965A (ja) * | 2011-07-19 | 2013-02-04 | Fujifilm Corp | 投写用変倍光学系および投写型表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2304737C2 (de) | 1982-08-26 |
| JPS5112424B2 (ru) | 1976-04-19 |
| GB1418731A (en) | 1975-12-24 |
| FR2170086B1 (ru) | 1975-10-31 |
| DE2304737A1 (de) | 1973-08-16 |
| FR2170086A1 (ru) | 1973-09-14 |