JPS57178210A - Wide-angle copying lens - Google Patents
Wide-angle copying lensInfo
- Publication number
- JPS57178210A JPS57178210A JP6327181A JP6327181A JPS57178210A JP S57178210 A JPS57178210 A JP S57178210A JP 6327181 A JP6327181 A JP 6327181A JP 6327181 A JP6327181 A JP 6327181A JP S57178210 A JPS57178210 A JP S57178210A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- diaphragm
- concave
- group
- face turned
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6327181A JPS57178210A (en) | 1981-04-28 | 1981-04-28 | Wide-angle copying lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6327181A JPS57178210A (en) | 1981-04-28 | 1981-04-28 | Wide-angle copying lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57178210A true JPS57178210A (en) | 1982-11-02 |
Family
ID=13224461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6327181A Pending JPS57178210A (en) | 1981-04-28 | 1981-04-28 | Wide-angle copying lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57178210A (ja) |
-
1981
- 1981-04-28 JP JP6327181A patent/JPS57178210A/ja active Pending
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