| 摘要 |
FIELD: optical equipment. SUBSTANCE: Eyepiece comprises three components. First component includes biconcave and biconvex lenses placed in path of ray, second component is single biconvex lens, third component incorporates two lenses cemented together and comprises biconvex lens and negative meniscus facing image with convexity. Relations specified in formula of invention are implemented in proposed eyepiece. EFFECT: enhanced adaptability of eyepiece to manufacture with preservation of high quality of image. 2 cl, 1 dwg, 2 tbl |
