Patent ID: 6385397
Filing Date: 2002-05-07
Classification: G03B

Abstract:
A lens-fitted photo film unit having a taking lens constituted of a first lens and a second lens, said lens-fitted photo film unit comprising:a fixed stop plate provided at an image side of said taking lens; a fixed stop aperture formed in said fixed stop plate and disposed at an optical axis of said taking lens; a movable stop plate movably provided at an image side of said fixed stop plate, an interval between said movable stop plate and said fixed stop plate being 1.5 mm or less in an optical-axis direction; a smaller stop aperture formed in said movable stop plate and having a smaller diameter in comparison with said fixed stop aperture; and a stop changing mechanism for moving said movable stop plate between a setting position where said smaller stop aperture is disposed at said optical axis, and an evacuation position where said smaller stop aperture is evacuated from said optical axis.