Off camera flash sync with slave

Discussion in 'Digital Cameras' started by Perk, Jun 11, 2005.

  1. Perk

    Perk Guest

    Hi all,

    Can anyone tell me why my off camera flash (Vivitar), when used with a
    slave unit, does not sync with the on camera(Olympus C700UZ) flash ?

    Thanks much,

    Perk, Jun 11, 2005
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  2. Perk

    Bob Williams Guest

    Your OLY C-700UZ probably has a preflash. (A small flash that the camera
    uses to focus and set exposure.) It fires right before the main flash.
    It is strong enough to trigger the Vivitar Slave.
    Bob Williams.
    Bob Williams, Jun 11, 2005
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  3. Gene F. Rhodes, Jun 11, 2005
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