Patent ID: 6343186
Filing Date: 2002-01-29
Classification: G03B

Abstract:
A lens-fitted film unit including:a taking lens; a photographic lens aperture provided in association with said taking lens; a unit body having a photographing mechanism including a shutter, said unit body having a cartridge chamber for storing a cartridge shell having a rotatable spool attached with an end of a photo-film strip and a film roll chamber for storing a roll of unexposed photo-film withdrawn out of the cartridge shell, wherein said cartridge shell and said roll of unexposed photo-film withdrawn out of said cartridge shell are charged during manufacture in said cartridge chamber and said film roll chamber, respectively, a portion of said unexposed film being positioned by an exposure frame which defines an exposure area between said film roll chamber and said cartridge chamber, said spool being adapted to be rotated to take up an exposed film portion into the cartridge each time a photograph is taken; and a fixed making frame disposed between the taking lens aperture and the exposure frame so as to block a peripheral light, said taking lens aperture having a variable effective diameter to define an angular field of photographing light which extends from said taking lens aperture to said exposure area, the angular field being smaller under a larger effective diameter than under a smaller effective diameter, a predetermined width of a peripheral portion of said exposure area defining a non-print area, said fixed making frame being disposed at a side adjacent to said taking lens aperture with respect to an intersection between a peripheral light which extends between an inner periphery of said non-print area and said taking lens aperture, under said larger effective diameter of said taking lens aperture, and a peripheral exposure light which extends between said taking lens aperture and an outer periphery of said exposure area, under said smaller effective diameter of said taking lens, said making frame being configured to block at least a part of said photographing light outside said peripheral light which extends between said inner periphery of said non-print area and said taking lens aperture, under said larger effective diameter of said taking lens.