| 摘要 |
FIELD: optical instrumentation engineering, design of telescopes, binoculars and other optical devices with great magnification. SUBSTANCE: catadioptric lens includes key concave mirror with central hole and aberration compensator made in the form of meniscus with concave inlet surface, plane-convex lens facing key mirror with plano surface and having second convex mirror in central zone and second meniscus facing plano surface of lens with convexity. EFFECT: diminished mass and size characteristics with maintenance of high quality image by optimization of aberration compensator. 3 cl, 3 dwg |
