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Nikon AF-S 17-55mm f/2.8G IF-ED DX auto focus problems

Posted by dksmithuk , 08 September 2019 · 1,965 views

i recently bought a second hand Nikon AF-S 17-55mm f/2.8G IF-ED DX lens although the auto focus works whilst the lens was zooming in and out searching for focus each time it changes direction there is a clunk noise.

I was not happy with this so i returned the lens for a replacement

The replacement has arrived and it has exactly the same problem (if it is a problem)

all of the other lenses I have with silent wave motor autofocus do not make any noise when changing direction.

Is this clunking normal

Something else that concerns me about this lens
.I was using it yesterday and when I switched om my camera this morning I got the err message
I removed the lens wiped the contacts with a cloth and replaced the lens which seemed to cure the problem.
As the lens had not been removed from the camera how did err occur
is this a sign something is not right with this lens





This is a blog post rather than a forum post.  You should re-post your question on the forum so that others can reply and help you out :)

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I realised that and it is now in the technical troubleshooting section of the forum

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I seem to remember reading somewhere that the clunk is built in play to allow the tiny motors to operate smoothly.  Any less free play could lead to seizing of the motors or put too much resistance on them, burning them out.

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