RU94021533A - Zoom lens - Google Patents
Zoom lensInfo
- Publication number
- RU94021533A RU94021533A RU94021533/28A RU94021533A RU94021533A RU 94021533 A RU94021533 A RU 94021533A RU 94021533/28 A RU94021533/28 A RU 94021533/28A RU 94021533 A RU94021533 A RU 94021533A RU 94021533 A RU94021533 A RU 94021533A
- Authority
- RU
- Russia
- Prior art keywords
- lens
- directed
- image
- convex
- double
- Prior art date
Links
Landscapes
- Lenses (AREA)
Abstract
FIELD: optical instruments. SUBSTANCE: device has two member. One of them has linear motion, another one has non-linear motion. First member is designed as negative meniscus which concave side is directed to image, double concave lens and positive meniscus which convex side is directed to object. Second member is designed as double convex lens, combined lens which consists of positive meniscus which convex side is directed to object and negative meniscus which concave side is directed to image, double concave lens and double convex lens. EFFECT: increased functional capabilities.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94021533/28A RU2071703C1 (en) | 1994-06-15 | 1994-06-15 | ZOOM LENS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94021533/28A RU2071703C1 (en) | 1994-06-15 | 1994-06-15 | ZOOM LENS |
Publications (2)
Publication Number | Publication Date |
---|---|
RU94021533A true RU94021533A (en) | 1996-08-20 |
RU2071703C1 RU2071703C1 (en) | 1997-01-10 |
Family
ID=35454058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94021533/28A RU2071703C1 (en) | 1994-06-15 | 1994-06-15 | ZOOM LENS |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2071703C1 (en) |
-
1994
- 1994-06-15 RU RU94021533/28A patent/RU2071703C1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2071703C1 (en) | 1997-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20040616 |