JPH0426442B2 - - Google Patents
Info
- Publication number
- JPH0426442B2 JPH0426442B2 JP13726584A JP13726584A JPH0426442B2 JP H0426442 B2 JPH0426442 B2 JP H0426442B2 JP 13726584 A JP13726584 A JP 13726584A JP 13726584 A JP13726584 A JP 13726584A JP H0426442 B2 JPH0426442 B2 JP H0426442B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group lens
- group
- focal length
- lenses
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13726584A JPS6117112A (ja) | 1984-07-04 | 1984-07-04 | 投影レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13726584A JPS6117112A (ja) | 1984-07-04 | 1984-07-04 | 投影レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6117112A JPS6117112A (ja) | 1986-01-25 |
JPH0426442B2 true JPH0426442B2 (enrdf_load_html_response) | 1992-05-07 |
Family
ID=15194627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13726584A Granted JPS6117112A (ja) | 1984-07-04 | 1984-07-04 | 投影レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6117112A (enrdf_load_html_response) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63148220A (ja) * | 1986-12-12 | 1988-06-21 | Konica Corp | プロジエクタ−用投影レンズ |
JPS6364015A (ja) * | 1986-09-05 | 1988-03-22 | Konica Corp | プロジエクタ−用投影レンズ |
JPH03103807A (ja) * | 1989-09-19 | 1991-04-30 | Nikon Corp | 投影レンズ |
-
1984
- 1984-07-04 JP JP13726584A patent/JPS6117112A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6117112A (ja) | 1986-01-25 |
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