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The Impact of VR on IQ at Faster Shutter Speeds
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<blockquote data-quote="J-see" data-source="post: 429131" data-attributes="member: 31330"><p>VR does hurt during fast shutters but you won't notice in single shots since that shot is finished before VR can kick in. But if you're shooting bursts, VR corrects something no longer relevant since it does that correction after that shot is finished and then resets the VR position between each shot which might not necessarily improve your AF lock (tracking) which tries to keep up with your moving target. It can't but affect focus from time to time. When I shoot bursts with the Tam at high shutter, my out of focus rate doubles to triples. I've seen the same occur when I forgot to disable VR on my little Tam.</p><p></p><p>Nikon's VR detects 1000 times a second which makes it a 1/1000s for each single detection. The moment before exposure the VR resets to its position and that's when the detection starts.</p><p></p><p>That means that for every shutter speed equal to and above 1/1000s VR is too slow. But since it detects, sends the signal to the correction units which in turn must respond before any actual correction happens, it is not a wild assumption that even 1/500s will be too fast. The correction itself is mechanical which is the slowest link in the response.</p><p></p><p>You can't test a single shot at high shutter and use that as evidence VR does not harm. It only shows VR did not have time to kick in.</p></blockquote><p></p>
[QUOTE="J-see, post: 429131, member: 31330"] VR does hurt during fast shutters but you won't notice in single shots since that shot is finished before VR can kick in. But if you're shooting bursts, VR corrects something no longer relevant since it does that correction after that shot is finished and then resets the VR position between each shot which might not necessarily improve your AF lock (tracking) which tries to keep up with your moving target. It can't but affect focus from time to time. When I shoot bursts with the Tam at high shutter, my out of focus rate doubles to triples. I've seen the same occur when I forgot to disable VR on my little Tam. Nikon's VR detects 1000 times a second which makes it a 1/1000s for each single detection. The moment before exposure the VR resets to its position and that's when the detection starts. That means that for every shutter speed equal to and above 1/1000s VR is too slow. But since it detects, sends the signal to the correction units which in turn must respond before any actual correction happens, it is not a wild assumption that even 1/500s will be too fast. The correction itself is mechanical which is the slowest link in the response. You can't test a single shot at high shutter and use that as evidence VR does not harm. It only shows VR did not have time to kick in. [/QUOTE]
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The Impact of VR on IQ at Faster Shutter Speeds
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