Sigma 17-50mm f/2.8 EX DC OS or Nikkor 17-55mm f/2.8G ED-IF

Started Dec 31, 2012 | Discussions thread
aspalmat
Junior MemberPosts: 39
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Re: Sigma 17-50mm f/2.8 EX DC OS or Nikkor 17-55mm f/2.8G ED-IF
In reply to pdxflint, Jan 3, 2013

Here is the report on the Sigma.  Bought it after work, got home, put it on my camera(D5100), and it will not auto focus.  It hunts, and hunts, and hunts.  If the camera does take a picture, it is blurry.

Obviuosly, this one is going back.   To bad, the lens feels pretty good in my hand.  The build quality feels good, but the lens will not auto focus.

This is exactly the problem as described in some user reviews on the web.  I meant to take my camera to test for this, but forgot it when I left the house this morning.

Now the question is, do I try another copy of the lens, or just bag it.  I'm not ready to plunk down the cash for the Nikon, so maybe it's just back to the drawing board for awhile.

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