Photographic flash power control unit

Abstract

A photographic flash power control unit has two controls for adjusting the light output in F stops. One control increments the output in whole F stops and the other increments the output in tenths of F stops.

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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    US-4007467-AFebruary 08, 1977Agfa-Gevaert, A.G.Exposure control circuit
    US-4449802-AMay 22, 1984Canon Kabushiki KaishaAdapter device

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    Publication numberPublication dateAssigneeTitle