Photographic method and apparatus

Details Photographic method and apparatus Photographic method and apparatus

2008-10-15

2010-10-19

Perkey, W. B. (Department: 2862)

Photography

With exposure objective focusing means, focusing aid, or...

Manually selected preset focus position or range

C196S139000

Reexamination Certificate

active

07817911

ABSTRACT:
A photographic method for slow synchro-flash photography conducted by firing a flash at a slow shutter speed, comprising the steps of:starting exposure with a focusing lens placed at an arbitrary position, andmoving the focusing lens to such a position as to focus on a main subject, just before the flash is fired.

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