Camera attachment for enabling photographing of transparencies i

Details Camera attachment for enabling photographing of transparencies i Camera attachment for enabling photographing of transparencies i

1986-09-18

1988-11-22

Hayes, Monroe H.

Photocopying

Contact printing

Light boxes

355 21, 355 39, 355 40, G03B 2900

Patent

active

047869267

ABSTRACT:
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.

REFERENCES:
patent: 1510155 (1924-09-01), Nelson
patent: 2574072 (1951-11-01), Updegraff
patent: 3689148 (1972-09-01), Black
patent: 4350419 (1982-09-01), Bowen

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