adapted for use with lenses of different focal length

Full Title

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Means for automatic focusing therefor > by mechanical connections, e.g. by cam, by linkage > adapted for use with lenses of different focal length

Classification Context

Section:

PHYSICS

Class:

PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY

Subclass:

APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR