Patent ID: 6587643
Filing Date: 2003-07-01
Classification: G03B

Abstract:
A lens-fitted photo film unit pre-loaded with photo film, comprising:a viewfinder adapted for observing an object; a selector member, operable externally, for being shifted to a standard position and a telephoto positions; a view region changer for setting said viewfinder in a standard view field when said selector member is in said standard position, and for setting said viewfinder in the telephoto view field when said selector member is in said telephoto position, send telephoto view field being included in said standard view field; and an information exposure unit for photographically recording telephoto discernment information to an information exposure region in said photo film when said selector member is in said telephoto position, said telephoto discernment information including at least three dots, for designating production of a pseudo telephoto print from a region in an imaging frame in said photo film corresponding to said telephoto view field; wherein said viewfinder includes at least one stationary lens element and at least one movable lens element movable with reference to said stationary lens element; said view region changer includes a moving mechanism mechanically connected between said selector member and said movable lens element, for setting said movable lens element to a short focus position when said selector member is in said standard position, and for setting said movable lens element to a long focus position when said selector member is in said telephoto position, so as to form said standard view field and said telephoto view field selectively.