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lajolla

LaJolla, US
388 posts

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"RE: Reported D4 problem"

lajolla Silver Member Nikonian since 03rd Nov 2005
Wed 14-Aug-13 06:14 PM

Historically there have been two, very sturdy, stainless steel release pins on the Nikon F-Mount that are engaged and disengaged whenever changing lenses. One pin at approx 3 o'clock is the actual lens locking pin, and the other pin at approx 7 o'clock is the manual focus lens motor pin. When the lens release button is depressed, both these pins are withdrawn. With the large mass lenses used on the current batch of low mass, lightweight, DSLR's, it is not surprising that either of these pins could get jammed, if either the cam body F-mount, or the lens F-mount, are slightly misaligned during the frenetic process of switching lenses at athletic events? One could also actually misalign the lens while changing massive lenses, and lock the lens in misaligned - which can and does happen as well. This is likely what the forums are buzzing with at the moment. But all camera manufacturers' lens mounts are susceptible to this same user-error. In any case, the more you change lenses on your camera bodies, the better you will get at precise alignment. And always check your lens-release button to make sure it is functioning properly (if you have the time) before swapping lenses that weigh far, far more than the camera body. Remember to first mount your heavy lens on the monopod or tripod, and then to mount the lighter-weight camera body to the lens

A general, generic topic Reported D4 problem [View all] , RudyH Gold Member , Fri 09-Aug-13 01:51 AM
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