Alignment technique for a photographic enlarger

Details Alignment technique for a photographic enlarger Alignment technique for a photographic enlarger

1990-04-18

1991-10-15

Brown, Brian W.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 72, 355 77, G03B 2752

Patent

active

050578626

ABSTRACT:
An alignment arrangement for use with a photograph enlarger apparatus is disclosed herein. The enlarger apparatus includes an enlarger head assembly, an enlarger easel and means for supporting the enlarger head assembly above the easel. The alignment arrangement include a first mirror member which is configured to lie on the enlarger easel and a second mirror member which is connected to the enlarger head assembly, at a particular location for aligning the camera with the easel in a specific way. There is also disclosed herein a specific assembly for adjusting the position of the easel itself.

REFERENCES:
patent: 2285768 (1942-06-01), Drucker
patent: 2701501 (1955-02-01), Cuny
patent: 3432233 (1969-03-01), Kauffman
patent: 3825938 (1974-07-01), Koch
patent: 4733257 (1988-03-01), Ziegler
patent: 4951087 (1990-08-01), Ziegler
Hasselblad, "Linear Mirror Unit" (Instructions).

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