JPS6276313U - - Google Patents
Info
- Publication number
- JPS6276313U JPS6276313U JP1986170937U JP17093786U JPS6276313U JP S6276313 U JPS6276313 U JP S6276313U JP 1986170937 U JP1986170937 U JP 1986170937U JP 17093786 U JP17093786 U JP 17093786U JP S6276313 U JPS6276313 U JP S6276313U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- focal length
- lens group
- zoom
- entire system
- 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 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
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
- G02B15/145—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 five groups only
- G02B15/1451—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 five groups only the first group being positive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986170937U JPH0532807Y2 (enrdf_load_stackoverflow) | 1986-11-06 | 1986-11-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986170937U JPH0532807Y2 (enrdf_load_stackoverflow) | 1986-11-06 | 1986-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6276313U true JPS6276313U (enrdf_load_stackoverflow) | 1987-05-15 |
JPH0532807Y2 JPH0532807Y2 (enrdf_load_stackoverflow) | 1993-08-23 |
Family
ID=31106111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986170937U Expired - Lifetime JPH0532807Y2 (enrdf_load_stackoverflow) | 1986-11-06 | 1986-11-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0532807Y2 (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007212926A (ja) * | 2006-02-13 | 2007-08-23 | Sony Corp | 可変焦点距離レンズ系及び撮像装置 |
JP2009115874A (ja) * | 2007-11-02 | 2009-05-28 | Nikon Corp | ズームレンズ及びこのズームレンズを備えた光学機器 |
JP2013125213A (ja) * | 2011-12-15 | 2013-06-24 | Olympus Imaging Corp | インナーフォーカスレンズ系及びそれを備えた撮像装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5532037A (en) * | 1978-08-29 | 1980-03-06 | Nippon Kogaku Kk <Nikon> | Zoom lens system for near distance |
-
1986
- 1986-11-06 JP JP1986170937U patent/JPH0532807Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5532037A (en) * | 1978-08-29 | 1980-03-06 | Nippon Kogaku Kk <Nikon> | Zoom lens system for near distance |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007212926A (ja) * | 2006-02-13 | 2007-08-23 | Sony Corp | 可変焦点距離レンズ系及び撮像装置 |
JP2009115874A (ja) * | 2007-11-02 | 2009-05-28 | Nikon Corp | ズームレンズ及びこのズームレンズを備えた光学機器 |
JP2013125213A (ja) * | 2011-12-15 | 2013-06-24 | Olympus Imaging Corp | インナーフォーカスレンズ系及びそれを備えた撮像装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0532807Y2 (enrdf_load_stackoverflow) | 1993-08-23 |