Wide angle lens for D7000

<p>optically, there doesn't seem to be any difference at all between the dx I and dx II. just multi-coating glass for better flare control like you said before. so, save $100</p>

<p><em>I have used 16-85 but din't think worth the money. Sigma 17-50 or 17-70 or Tamron 17-50.</em><br>

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<em><br /></em>Well, this lens is one of the sharpest DX lenses out there. Whoever has it, is pretty well satisfy with it. You have very nice focal range, it is wide, VR and very sharp. I do have one and I am very happy with it. The problem is that is not f/2.8. If this lens was f/4, it would be perfect I guess. So if you are looking for a f/2.8 within that focal range, then you should take in consideration the other 3rd party lenses pointed out by others in this thread. I do agree with you that it is pricey but believe me that it is worth the money. </p>

<p>Maurice - I believe you are talking about 16-85. My experience was at wide end very similar to 18-55 and at 70 switched to 70-300, so I didn't keep it. And yes I want to get a 17-50 f/2.8. So the question which one <em>Sigma 17-50 or 17-70 or Tamron 17-50?</em></p>

<p>here you go, Sourav. this is a great comparison between the tamron and sigma.</p>

<p>http://francoismalan.com/2012/04/fast-sigma-vs-tamron-stabilised-17-50/</p>

<p>Thank You very much Tony. Decided on Tokina 12-24 and Sigma 17-50. Love this forum. Thank you all.</p>