Patent ID: 7248793
Filing Date: 2007-07-24
Classification: G03B,G03C

Abstract:
1. A lens-fitted photo film unit comprising: a photo film preloaded in said lens-fitted photo film unit, ISO sensitivity of said photo film being a shutter device disposed in a photography optical path for exposing said photo film, shutter speed of said shutter device being set at 1/64 sec.; a photography mode selection device for selecting at least one of first and second photography modes; and an aperture changeover means for controlling exposure amount on said photo film in cooperation with said photography mode selection device, said aperture changeover means being set in a small stop state when said first photography mode is selected, and being set in a large stop state when said second photography mode is selected, said exposure amount being controlled by a first aperture of f/16 and an ND filter having transmittance of 25% in said small stop state, and being controlled by a second aperture of f/5.6 in said large stop state.