FIELD: viewing tubes, telescopes, and other optical devices. SUBSTANCE: ocular system has single negative lens, positive lens with aspherical surface facing exit pupil surface, lens spliced from positive and negative lenses, negative lens spliced from two meniscus lenses facing with their concave part exit pupil surface or spliced from convexo-convex and concavo-concave lenses. EFFECT: improved design, enlarged functional capabilities. 3 cl, 1 dwg, 11 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| WIDE-ANGLE OCULAR SYSTEM | 1996 |
|
RU2099758C1 |
| OCULAR SYSTEM | 1996 |
|
RU2100830C1 |
| OCULAR WIDE-ANGLED SYSTEM | 1996 |
|
RU2164701C2 |
| PLANOAPOCHROMATIC MICROLENS | 1996 |
|
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| PLANOCHROMATIC OBJECTIVE LENS OF MICROSCOPE | 1992 |
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| SMALL-SIZE LENS WITH INCREASED FOCAL LENGTH | 1992 |
|
RU2104575C1 |
| MICROOBJECTIVE WITH INCREASED OPERATING DISTANCE | 1993 |
|
RU2097810C1 |
