Structure of camera body

A single lens reflex camera body comprising a molded plastic camera body including a rear wall, a front wall, and a bottom wall and side walls extending between said rear and front walls, a metal block inserted in said molded plastic camera body during the molding thereof, said metal block comprising a main section, a first section extending angularly from said main section and a pair of spaced second bent sections extending angularly from said main section, said first bent section being inserted in the bottom wall of said camera body and having a first mounting part provided on the edge of said first bent section spaced from said main section, said main section being inserted in said rear wall of said camera body and having a second mounting part adjacent the edge thereof spaced from said first and second bent sections, said main section having an aperture therethrough for determining the size of pictures and also having rail faces thereon for guiding film, a front plate unit made of a metallic material and having a photographic lens mounting seat and a mirror mounting parts, the front plate unit having a third mounting part located at the side of said mounting seat and aligned with said first mounting part and also having a fourth mounting part located at the mirror mounting part and aligned with said second mounting part, and connecting means for securing said front plate unit directly to said metal block inserted in said molded plastic camera body, said connecting means connecting said first mounting part to said third mounting part and said second mounting part to said fourth mounting part for ensuring the precision and strength of the camera body.