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Likely hood of streaking on tight shutter


Stephen Whitehead

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Ah, in that case, it depends on which end of the exposure has the sync problem, and which end has the variable shutter blade. If they're on the same end of the exposure time, the variable shutter could completely mask the sync problem. If they're on opposite ends, it would have no effect no matter how far you close it down.

 

Pull the lens, open the variable shutter all the way, and inch the shutter open. Make a big sharpie "X" on the film. Inch backwards a frame, then watch carefully as you inch forwards. Is the "X" still moving as the shutter opens? Does it start moving before the shutter closes? That'll tell you whether your problem is at the beginning or the end of the exposure. Change the variable to 90 degrees and watch again. Did you get lucky?

 

 

 

 

-- J.S.

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