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09-17-2010, 02:57 AM   #1
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Sigma 17-50mm F2.8 EX DC OS HSM - Pentax Mount

I noticed the Sigma 17-50mm F2.8 EX DC OS HSM has been announced for $980.00 USD.
http://www.sigma-photo.co.jp/english/lens/digital/17_50_28_os.htm

It's nice to see a new Pentax lens anytime IMO.

09-17-2010, 03:18 AM   #2
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QuoteOriginally posted by Freak Quote
Yes, indeed. When one takes into account the Sigma lenses as well, lens availability for Pentax is really not bad.
09-18-2010, 11:44 AM   #3
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From the specs, I'd rather have the Tamron though. It's got the same aperture and zoom range, weighs less, its zoom/focus rings rotate in the right direction and it's a lot cheaper. The only downside it that it doesn't have OS. But with SR, you don't really need that anyway.
09-18-2010, 12:01 PM   #4
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The downside to the Tamron is that it doesn't have the USD compared to the Sigma HSM. I wish at the price of the Sigma though it would be dust sealed. The Tamron is a dust sucker but at least the front element is easy to remove to clean the inside. I have to send mine in for service eventually as the AF.C freezes occasionally and it also causes the camera LCD to shut off with slight movement. Supposedly a bad board or loose connection in the lens.

09-19-2010, 06:56 PM   #5
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B&H have it listed and in stock at $US669... Pretty tempting at that price with the Aussie dollar so strong at the moment...
09-20-2010, 01:34 AM   #6
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I picked up mine locally for A$743, and was pleasantly surprised to find that it included a 2-year warranty from CR Kennedy (the local Sigma distributor).

My brief thoughts on the lens can be found in this thread.
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