FIELD: opatical instrument engineering. SUBSTANCE: eye-piece has five components. The first one is negative meniscus, the second one is positive meniscus, the third one is positive lens, the fourth is double glued component, which has positive and negative lenses. The fifth component is negative meniscus. EFFECT: improved efficiency. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| RELATIVE APERTURE EYE-PIECE | 1993 |
|
RU2042971C1 |
| HIGH-SPEED IMMERSION MICROOBJECTIVE LENS OF MEDIUM MAGNIFICATION | 1993 |
|
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| WIDE-ANGLE OCULAR SYSTEM | 1996 |
|
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| OBJECTIVE LENS WITH DISCRETE CHANGE OF FOCAL DISTANCE FOR NEAREST IR REGION OF SPECTRUM | 1994 |
|
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| OCULAR SYSTEM | 1996 |
|
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| PHOTOGRAPHIC LENS | 1992 |
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| PLANAPOCHROMATIC FAST MICROSCOPE OBJECTIVE | 1994 |
|
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| FAST CATADIOPTRIC OBJECTIVE | 1996 |
|
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| SMALL-SIZE LENS WITH INCREASED FOCAL LENGTH | 1992 |
|
RU2104575C1 |
| HIGH-APERTURE APOCHROMATIC SMALL-SIZE LENS | 1996 |
|
RU2104576C1 |
