Apparatus for taking photographs of an object in close proximity

Details Apparatus for taking photographs of an object in close proximity Apparatus for taking photographs of an object in close proximity

1974-04-16

1977-07-05

Moses, R. L.

354139, 354149, G03B 1502

Patent

active

040343871

ABSTRACT:
The present invention refers to an apparatus for taking photographs of an object in close proximity by means of a flash. A proper exposure is obtained for the object in close proximity with the use of flash equipment with variable illumination intensity, in accordance with the equation ##EQU1## L: Distance to the object M: Photographic magnification

REFERENCES:
patent: 2596376 (1952-05-01), De Goeij
patent: 2682603 (1954-06-01), Dine et al.
patent: 3198097 (1965-08-01), Hine
patent: 3382786 (1968-05-01), Weidner
patent: 3638543 (1972-02-01), Kondo
patent: 3646865 (1972-03-01), Biber
patent: 3650189 (1972-03-01), Biber

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