Alignment method and arrangement for use with a view camera

Details Alignment method and arrangement for use with a view camera Alignment method and arrangement for use with a view camera

1987-05-13

1988-03-22

Hix, L. T.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356153, G03B 506

Patent

active

047332573

ABSTRACT:
A view camera which includes, among other components, a lens standard for containing a lensboard and lens and a film standard for receiving a film holder containing film is disclosed herein along with a reliable technique for aligning the lens and film standards such that the lens plane defined by the lens standard and the film in the film standard are in confronting, parallel relationship to one another. This is accomplished by optically utilizing a set of mirrors within the camera and indicia located on at least one of the mirrors. The latter are manipulated until the indicia takes on a specific form, as viewed from outside the camera, which form corresponds to the desired parallel relationship between the film and lens plane.

REFERENCES:
patent: 2701501 (1955-02-01), Cuny
patent: 3825938 (1974-07-01), Koch
Hasselblad, Linear Mirror Unit, (Instructions).

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