FIELD: telescopes without image reversal. SUBSTANCE: catadioptric lens has main concave mirror 1 with central hole 2, input component 3 incorporating input lens 4 in which canter triple prism 5 with three mirror surfaces 6 is installed and correction lens 7 with central negative lens 8 located near input surface 9 of prism 5. Vertex 10 of prism is matched with optical axis 11. EFFECT: increased accuracy and contrast. 2 cl, 2 dwg
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|---|---|---|---|
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|
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| BINOCULARS | 1995 |
|
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| OPTICAL SYSTEM FORMING INVERTED IMAGE | 1996 |
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| CATADIOPTRIC LENS | 1994 |
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|
RU2046303C1 |
