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Flashes
SB-910 paired with D600 having trouble with flash sync
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<blockquote data-quote="WayneF" data-source="post: 113716" data-attributes="member: 12496"><p>Hopefully that speed is also the cameras sync rating, because I am certain the PC sync cords, optical slaves, and hot shoe can all do it. Radio triggers, maybe not always. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>Electronic flashes are X sync (xenon), zero delay, there is no other rating. Most flashes are very fast (short duration), much shorter duration than any usable shutter speed (speedlights for example, but studio lights too). X sync zero delay just means the shutter simply has to be open when the flash is triggered. The assumption is that the flash is not delayed by a radio trigger. Open means fully open, but which never happens if faster than the shutter's sync speed. That is simply what focal plane maximum sync speed is, fastest shutter that is fully and completely open all at one time to allow the zero delay flash through it. Flash duration does not affect this, except some flashes are slower, and if slow enough, may not totally finish before the shutter duration starts to close. That is not a "sync" problem, shutter just starts closing and does not see all the light from the flash.</p></blockquote><p></p>
[QUOTE="WayneF, post: 113716, member: 12496"] Hopefully that speed is also the cameras sync rating, because I am certain the PC sync cords, optical slaves, and hot shoe can all do it. Radio triggers, maybe not always. :( Electronic flashes are X sync (xenon), zero delay, there is no other rating. Most flashes are very fast (short duration), much shorter duration than any usable shutter speed (speedlights for example, but studio lights too). X sync zero delay just means the shutter simply has to be open when the flash is triggered. The assumption is that the flash is not delayed by a radio trigger. Open means fully open, but which never happens if faster than the shutter's sync speed. That is simply what focal plane maximum sync speed is, fastest shutter that is fully and completely open all at one time to allow the zero delay flash through it. Flash duration does not affect this, except some flashes are slower, and if slow enough, may not totally finish before the shutter duration starts to close. That is not a "sync" problem, shutter just starts closing and does not see all the light from the flash. [/QUOTE]
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SB-910 paired with D600 having trouble with flash sync
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