Patent ID: 7076161
Filing Date: 2006-07-11
Classification: G03B

Abstract:
1. A lens-fitted photo film unit comprising: a taking lens; a plane mirror for perpendicularly bending a photographic optical path of subject light passing through said taking lens; a photo film disposed approximately in parallel with an optical axis of said taking lens, said photo film having a base surface and an emulsion surface, said subject light forming an image on said emulsion surface, a side print being recorded as a latent image on the edge of said photo film in such a manner as to flip vertically or horizontally in view of the side of said base surface; and a viewfinder, comprising: wherein said target mark enlarged by said micro lens appears in the field of view of said viewfinder; and wherein said viewfinder satisfies the following formula: wherein L is a length between the pupil side surface of said objective lens element and the objective side surface of said first eyepiece lens element; and W is a width of the viewfinder.