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06-21-2010, 06:26 PM   #1
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Sigma 24-70mm f/2.8 IF EX DG HSM or Pentax 16-50mmf/2.8

Hi, and good day to all of you.

I have been looking for a good zoom lens. And i came across the, Sigma 24-70mm f/2.8 IF EX DG HSM, at first i was going to go for the Pentax 16-50mm, but after hearing problems with the SDM motor, i have reconsidered buying this lens but still looking at other alternatives. My question is, does anyone own the SIGMA 24-70mm this is the new version with the HSM, and how does it compare to the older virsion without the HSM. I am just curious if somebody can let me know if this is a good lens, or if the Pentax is better. Thanks.

06-21-2010, 07:00 PM   #2
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Significantly different focal lengths outweigh any minor image quality issues.

You should be comparing the Pentax with the Tamron 17-50 or Sigma 18-50, and the Sigma 24-70 to the Tamron 28-75 perhaps.

They are all "good".
06-21-2010, 08:58 PM   #3
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Join Date: Apr 2009
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The 16-50 is my favourite

IMHO, the only possible weakness is the SDM

My copy is just amazing, both optically and mechanically

It's the lens that got stuck to my camera 60% of the time

To me, it's a must have and WR makes it possibly the best travel lens

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