Liquid optics zoom lens and imaging apparatus

Details Liquid optics zoom lens and imaging apparatus Liquid optics zoom lens and imaging apparatus

G - Physics

02

B

G02B 3/14 (2006.01) G02B 15/14 (2006.01)

Patent

CA 2701134

A high performance zoom lens system suitable for use with a camera is disclosed. The zoom lens systems employs liquid optics (LC) and a movable lens group (G2) to provide optical performance over the zoom focal length range at focus distances from close to infinity. The system also provides compensation for undesirable thermally induced effects by adjustments of the zoom group and the variably shaped optical surface in the liquid lens cell (LC).

L'invention porte sur un système d'objectif à focale variable et à performance élevée, approprié pour une utilisation avec une caméra. Les systèmes d'objectifs à focale variable utilisent une optique liquide (LC) et un groupe de lentilles mobiles (G2) pour fournir une performance optique sur la plage de longueurs focales variables à des distances focales allant du proche à l'infini. Le système permet également la compensation d'effets thermiquement induits non souhaitables par ajustement du groupe de lentilles à focale variable et de la surface optique de forme variable dans la cellule de lentille liquide (LC).

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