发明名称 Camera attachment for enabling photographing of transparencies in a slide projector
摘要 A camera attachment for photographing color transparencies in a slide projector. The attachment includes an elongated tubular connector, one end of which is threaded to be attached in the lens mounting opening of a single lens reflex camera, and the other end is adapted to be received within the lens assembly receptacle of a slide projector, a lens assembly located in the connector intermediate the ends for focusing an image from a slide in the projector onto the film plane of the camera, a neutral density filter in the connector spaced from the lens assembly and a light diffusing screen to be placed in the projector between the slide and the light source.
申请公布号 US4786926(A) 申请公布日期 1988.11.22
申请号 US19860909123 申请日期 1986.09.18
申请人 HURVITZ, JAMES S. 发明人 HURVITZ, JAMES S.
分类号 G03B17/48;G03B27/62;(IPC1-7):G03B29/00 主分类号 G03B17/48
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