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Digital camera flash trigger..............

Discussion in 'Electronic Design' started by [email protected], May 18, 2006.

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  1. Guest

    Rolf wrote:

    Most digital cameras has one or more pre-flashes so that a "normal"
    optical trigger for a remote flash will not work. (It triggers on the
    first pre-flash)
    Has anyone seen a fairly simple circuit for solving this problem. I
    have seen some that uses counters but that doesn't solve the problem as
    some cameras seems to not use the same # of pre-flashes every time.
    However the main flash seems to trigger at about the same time. Maybe a
    hold-off (non re-triggerable monostable F/F) and a gate circuit could
    Any ideas?

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