Apparatus and method for evaluating color negatives

Details Apparatus and method for evaluating color negatives Apparatus and method for evaluating color negatives

1974-10-04

1976-07-06

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 46, 355 77, G03B 2732, G03B 2752, G03B 2744

Patent

active

039678970

ABSTRACT:
An apparatus for color negative evaluation for use with a photo enlarger comprised of a filter and lens matrix board, and a frame for supporting the filter matrix and lens boards intermediate the photo enlarger holding the color negative being evaluated and a sheet of photosensitive paper whereby a plurality of images having colorations which depend on the individual filter elements are produced on the photosensitive paper. Further, a method comprised of the steps of exposing a color negative through a set of filter matrix boards having successively finer gradations such that an ultimate filter combination can be determined for making a final color balanced print.

REFERENCES:
patent: 3532038 (1970-10-01), Rottmann
patent: 3748045 (1973-07-01), Mitchell

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