Apparatus for making a copy in one of three sizes of X-ray film

Details Apparatus for making a copy in one of three sizes of X-ray film Apparatus for making a copy in one of three sizes of X-ray film

1979-10-26

1982-12-28

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 39, G03B 2752

Patent

active

043658920

ABSTRACT:
An apparatus for making a photographic reduction of various sized film negatives having a light box, a camera spaced within a housing a positioned above said light box, a removable film container, with film mounted therein, being attached in optical communication with said camera; said camera comprising a first lens, and exposure control means, a second lens, a third and fourth lens of different focal lengths mounted above said second lens, being individually pivotally positioned within said camera from a first position out of optical alignment with said first and second lenses to a second position in optical alignment with said first and second lenses.

REFERENCES:
patent: 3272106 (1966-09-01), Czekalla
patent: 3524705 (1970-08-01), Steffen et al.
patent: 3674366 (1972-07-01), Callahan

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