RU97109221A - WIDE-angle LENS WITH EXTENDED ENTRANCE - Google Patents
WIDE-angle LENS WITH EXTENDED ENTRANCEInfo
- Publication number
- RU97109221A RU97109221A RU97109221/28A RU97109221A RU97109221A RU 97109221 A RU97109221 A RU 97109221A RU 97109221/28 A RU97109221/28 A RU 97109221/28A RU 97109221 A RU97109221 A RU 97109221A RU 97109221 A RU97109221 A RU 97109221A
- Authority
- RU
- Russia
- Prior art keywords
- wide
- angle lens
- lens
- extended entrance
- optical axis
- Prior art date
Links
- 230000005499 meniscus Effects 0.000 claims 2
- 230000003287 optical Effects 0.000 claims 2
- 210000001747 Pupil Anatomy 0.000 claims 1
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
RU97109221A true RU97109221A (en) | 1999-05-10 |
Family
ID=
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