Patent ID: 7076161

Claim:
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: an objective lens element with negative refractive power; a first eyepiece lens element; a second eyepiece lens element; a target mark formed in the pupil side surface of said first eyepiece lens element; and a micro lens disposed in the pupil side surface of said second eyepiece lens element; 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: 0.2< L/W< 0.7 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.