Patent ID: 6449430
Filing Date: 2002-09-10
Classification: G03B

Abstract:
A lens-fitted photo film unit pre-loaded with photo film, comprising:first and second taking lenses having focal lengths different from each other; a movable lens holder for supporting said first and second taking lenses on a plane crosswise to a photographic optical axis; an externally operable member for moving said lens holder to first and second positions, to set said first and second taking lenses on said photographic optical axis respectively when said lens holder is in said first and second positions; a viewfinder optical system, settable at first and second viewfinder magnifications, and adapted to observation of a photographic field; and a magnification changer mechanism for setting said viewfinder optical system at said first and second viewfinder magnifications respectively when said first and second taking lenses are set on said photographic optical axis; wherein said lens holder is rotatable about a rotational center, said first and second taking lenses are so disposed as to lie on a circle defined about said rotational center; said externally operable member is disposed between said rotational center and said first and second taking lenses.