Patent ID: 6233403
Filing Date: 2001-05-15
Classification: G03B

Abstract:
A lens-fitted film unit, comprising:a main body;a photographic film, pre-loaded in said main body;an electronic flash unit;a shutter unit;a camera lens; anda diaphragm;wherein a guide number of said electronic flash unit, a T-number determined from said camera lens and said diaphragm and a shutter speed of said shutter unit are determined so that A is not more than 8.5 when A represents an EV value of a reference exposure amount of said lens-fitted film unit under a first photographing state minus 1.5; and intensity of a latent image, formed on said photographic film under the condition that a reference reflection panel being placed at a predetermined distance between 2-3 m from said lens-fitted film unit is illuminated by said electronic flash unit without other lights in said first photographing state, corresponds to intensity of a latent image obtained under a photographing condition of photographing luminance not more than A+5.0 in EV value.