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<blockquote data-quote="Stoshowicz" data-source="post: 367861" data-attributes="member: 31397">I just read a nice article referred by Horoscope fish discussing VR , it appears that the sampling rate for the VR is around 1000Hz , since all shutter movement occurs over 1/250 th of a sec,regardless of the shutter speed setting,, that means the camera is sampling and correcting several times during the motion of shutter.. which may suggest to one to turn OFF the VR.&nbsp;It seems then ,that if the VR is making several adjustments to lens elements DURING the movement of the shutter , I'm wondering if the same is the case for the Autofocus in AF-C mode .. that is to say the elements are physically adjusting during the the actual exposure period , and if its possible that some other setting or methodology might occasionally render more detail on a Bird In Flight. ( I realize it may be more difficult ).Additionally I'm wondering if the Mechanism which is adjusting as part of VR ,, is the same mechanism or assembly which is responsible for autofocus in AF-C mode.</blockquote>

[QUOTE="Stoshowicz, post: 367861, member: 31397"] I just read a nice article referred by Horoscope fish discussing VR , it appears that the sampling rate for the VR is around 1000Hz , since all shutter movement occurs over 1/250 th of a sec,regardless of the shutter speed setting,, that means the camera is sampling and correcting several times during the motion of shutter.. which may suggest to one to turn OFF the VR. It seems then ,that if the VR is making several adjustments to lens elements DURING the movement of the shutter , I'm wondering if the same is the case for the Autofocus in AF-C mode .. that is to say the elements are physically adjusting during the the actual exposure period , and if its possible that some other setting or methodology might occasionally render more detail on a Bird In Flight. ( I realize it may be more difficult ). Additionally I'm wondering if the Mechanism which is adjusting as part of VR ,, is the same mechanism or assembly which is responsible for autofocus in AF-C mode. [/QUOTE]

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