| 摘要 |
FIELD: optical instrumentation engineering. SUBSTANCE: invention may be used for development of television and infra-red imaging aids. proposed optical system has afocal extension piece 1, mirror multiface drum 2 with different inclination of faces 3 to rotation axis of drum and lens of detector 5 manufactured from first component 6 and two second components 7. Behind each component 7 there is placed flat mirror, switch in the form of mirror disc is positioned between them, its drive is made fast to drive of rotation of drum. Flat mirror 14 located close to entrance pupil 15 of lens of detector is anchored behind drum on case of system. EFFECT: increased operational stability. 3 cl, 2 dwg |
