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Polar Pro Filters / App and Usage Question...
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<blockquote data-quote="Jeff K" data-source="post: 38157" data-attributes="member: 7913"><p>in the case of this exmple, the ideal filter would be an ND64 but Polar Pro dont make one so the calculator can't suggest more than an ND32. That means correct exposure is going to be at a shutter speed of 1/120 or thereabouts. The only thing this affects is motion blur, the ideal being a 180 degree shutter angle (double the frame rate so on the Spark 1/60th of a second) but a 90 degree shutter (1/120) is ok and frequently used in film. Quite honestly, even 1/240 would be acceptable as long as your not panning left and right too quicly</p></blockquote><p></p>
[QUOTE="Jeff K, post: 38157, member: 7913"] in the case of this exmple, the ideal filter would be an ND64 but Polar Pro dont make one so the calculator can't suggest more than an ND32. That means correct exposure is going to be at a shutter speed of 1/120 or thereabouts. The only thing this affects is motion blur, the ideal being a 180 degree shutter angle (double the frame rate so on the Spark 1/60th of a second) but a 90 degree shutter (1/120) is ok and frequently used in film. Quite honestly, even 1/240 would be acceptable as long as your not panning left and right too quicly [/QUOTE]
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Polar Pro Filters / App and Usage Question...