Flash Question - SB28 / F100 or Similar

Discussion in '35mm Cameras' started by Howie Axelrod, Feb 16, 2004.

  1. My SB28 can Synch at 1/250 Sec.

    What is the range of synch speed (slowest to fastest) when shooting
    in Aprture Priority and Shutter Priority? I assume 250 is fastest but
    what is slowest speed. Is it 1/60 Sec?

    Also, when mated with the F100 body, in Shutter Priority mode (where
    max synch speed is 250, If I set speed faster that this via the body
    (say 1/500 Sec.), the viewfinder reads 1/250 but thye LCD blinks the
    faster speed. What is happening? Am I shooting at the faster speed or
    does it default to 1/250 Sec?

    I am most confused. Any assistance is appreciated.
     
    Howie Axelrod, Feb 16, 2004
    #1
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  2. Howie Axelrod

    Tom Thackrey Guest

    shutter priority - 30sec to 1/250th
    aperture priority - 1/60th to 1/250th
    manual (not HS mode) - bulb, 30sec to 1/250th
    manual (HS mode) - 1/250th to 1/4000th

    With the exception of FP High Speed mode, flash exposure is not dependent on
    shutter speed (because the flash duration is shorter than the sync speed)
    only aperture. Long exposure times can be used to add ambient light to the
    flash (similar to fill flash).

    I believe the blinking LCD is telling you that you exceeded the sync speed
    and it's probably defaulting to the sync speed.
     
    Tom Thackrey, Feb 16, 2004
    #2
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