Illuminating equipment for a photographic enlarging or copying a

Details Illuminating equipment for a photographic enlarging or copying a Illuminating equipment for a photographic enlarging or copying a

1976-09-21

1978-03-07

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Illumination systems or details

362 18, 362359, G03B 2754

Patent

active

040777162

ABSTRACT:
An illumating device for a photograph enlarging or copying apparatus has a pair of lighting compartments having different characteristics movably connected to each other and mounted to slide back and forth across the optical axis. The light compartment better adapted to the particular format to be copied is positioned in line with the optical axis. A diffusing lens is insertable in the light emergence side of the lighting compartment being utilized, and the diffusing lens may be movably mounted so as to position different areas in the path of light emerging from the compartment.

REFERENCES:
patent: 3684371 (1972-08-01), Weisglass et al.
patent: 3831021 (1974-08-01), Muhlogger
patent: 3874792 (1975-04-01), Turner
patent: 4009383 (1977-02-01), Beier

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