The zoom lens of the telephoto type which possesses the liquid lens on fixed intra battalion

摘要

The zoom lens of the telephoto type which possesses the liquid lens on fixed intra battalion. The lens group which the zoom lens of telephoto type (60), the movable lens group (G2) with, the contact optical surface between the 1st and 2nd contact liquid, and the contact liquid which possesses variable form (21) includes with the lens group which is locked to the axial direction which at least one which is included liquid lens cell (LC) is included and the optical element which changes the direction of the emission axis to axial direction, in axial direction the movable lens group (G2) and is locked to axial direction (LC), the common optical axis (38) on the common spoon re, object side of the zoom lens (1)The empty gathering the emission which is given out, image side (36) you send that emission. With execution form of part, as for zoom lens system, in addition, thermally is induced the compensation for the desirable effect is offered with the adjustment of the zoom group, and the adjustment of the optical surface where the inside of the liquid lens cell was formed variably.