COSMIC OBJECTIVE LENS IN MOUNT Russian patent published in 1999 - IPC

FIELD: optico-mechanical industry. SUBSTANCE: cosmic objective lens in mount has optical elements and limiters of their movement in axial and transverse directions. Limiters of movement in transverse direction are manufactured in the form of rings from material that has coefficient of linear expansion close to that of material of optical element. Each ring is placed between limiters of its axial displacement and is matched with one of them by means of splined joint. EFFECT: improved functional reliability. 1 dwg