Photographic exposure apparatus including a means for the relative positioning of a photographic material and an original in sheet form

摘要

A photographic exposure apparatus comprising a support serving as a carrier for sheet material which is an original, or a photographic material, or is an original together with a photographic matrial; and a translucent positioning sheet for covering at least partially said support and which is adapted to engage a corner of said sheet material, characterized in that said translucent positioning sheet is provided with a pair of locating means spaced apart from each other so as to engage two neighbouring corners of said sheet material, whereby said sheet material may be located in a predetermined position, the said positioning sheet being attached to the said support.