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<blockquote data-quote="Eyelight" data-source="post: 429265" data-attributes="member: 24753">@<a href="http://nikonites.com/member-31330-j-see.html" target="_blank">J-see</a> sometimes you just can't seem to let a new thought crowd out some of the old ideas.1st) A focal plane shutter at 1/1000 shutter speed does not open and close in 1/1000 second. The curtains travel down across the focal plane in something like 1/200 or maybe 1/250 second (see note below).&nbsp; The 1/1000 exposure is made by the leading edge of the 2nd curtain following 1/1000 second behind the trailing edge of the 1st curtain.&nbsp; So, the time it takes to make a 1/1000 exposure is always much slower, not to mention the time it takes to press the button, all of which adds up to a really long time.2nd) Having a stable image in the viewfinder is a good thing regardless of the shutter speed. So, even if VR has no positive impact on a shot, it can have a positive impact on the shooting.Note below: Shutter travel time is what limits flash sync speed.&nbsp; The shutter is fully open for a brief moment at speeds below the sync speed, but never fully open at speeds above the sync speed and the 2nd curtain is closing before the 1st curtain is fully open.&nbsp; This is how we know a rough idea of travel time.</blockquote>

[QUOTE="Eyelight, post: 429265, member: 24753"] @[URL="http://nikonites.com/member-31330-j-see.html"]J-see[/URL] sometimes you just can't seem to let a new thought crowd out some of the old ideas. 1st) A focal plane shutter at 1/1000 shutter speed does not open and close in 1/1000 second. The curtains travel down across the focal plane in something like 1/200 or maybe 1/250 second (see note below). The 1/1000 exposure is made by the leading edge of the 2nd curtain following 1/1000 second behind the trailing edge of the 1st curtain. So, the time it takes to make a 1/1000 exposure is always much slower, not to mention the time it takes to press the button, all of which adds up to a really long time. 2nd) Having a stable image in the viewfinder is a good thing regardless of the shutter speed. So, even if VR has no positive impact on a shot, it can have a positive impact on the shooting. Note below: Shutter travel time is what limits flash sync speed. The shutter is fully open for a brief moment at speeds below the sync speed, but never fully open at speeds above the sync speed and the 2nd curtain is closing before the 1st curtain is fully open. This is how we know a rough idea of travel time. [/QUOTE]

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