TELESCOPIC OPTICAL SYSTEM Russian patent published in 2002 - IPC

Abstract RU 2189064 C2

FIELD: optics. SUBSTANCE: telescopic optical system includes three lenses: biconcave lens, single positive meniscus facing image with convexity and plano- convex lens. All three lenses can be fabricated from one material. Visible magnification of system is 0.1, field of vision is 40 angular minutes, diameter of exit pupil is 4.0 mm. EFFECT: high-quality image. 4 cl, 1 dwg, 2 tbl

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RU 2 189 064 C2

Authors

Shcheglov S.I.

Dates

2002-09-10—Published

2000-09-29—Filed