Manually set bounce flash with focus shift

Details Manually set bounce flash with focus shift Manually set bounce flash with focus shift

1993-03-01

1994-01-04

Perkey, W. B.

3541951, 35419512, G03B 300, G03B 1503

Patent

active

052764737

ABSTRACT:
A system that produces sharper pictures by setting the lens of a camera to a closer focus position, when the flash unit of the camera is set to a bounce position. In this system, the reflector and lamp of the flash unit are pivoted to direct the light produced by the flash unto an overhead ceiling. The focus position of the lens is adjusted by coupling the motion of the lamp to the motion of the lens so as to move the focus range of the lens more nearly into the range of the bounce flash.

REFERENCES:
patent: 3286611 (1966-11-01), Lange
patent: 3373671 (1968-03-01), Jakob
patent: 5194885 (1993-03-01), Spencer

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