Stephen Whitehead Posted July 19, 2010 Share Posted July 19, 2010 Hey, just a random question, if you were to use a tighter shutter like 90 degrees or something is the likely hood the streaking caused by bad alignment would diminish? It seems to me it would, but what does everyone think? Link to comment Share on other sites More sharing options...
Premium Member John Sprung Posted July 19, 2010 Premium Member Share Posted July 19, 2010 Um, bad alignment of what? Do you mean colimation of the lens? Registration? Not sure what you're asking here. -- J.S. Link to comment Share on other sites More sharing options...
Stephen Whitehead Posted July 19, 2010 Author Share Posted July 19, 2010 Not Colimation, I am referring to the streaking caused by the shutter being out of sync with the movement. Um, bad alignment of what? Do you mean colimation of the lens? Registration? Not sure what you're asking here. -- J.S. Link to comment Share on other sites More sharing options...
Premium Member John Sprung Posted July 19, 2010 Premium Member Share Posted July 19, 2010 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. Link to comment Share on other sites More sharing options...
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