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09-10-2009, 11:43 AM   #1
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Join Date: Oct 2008
Location: Chengdu
Posts: 31
Sigma 12-24mm?

Hello,

I will travel to Guangzhou in two weeks and I'm going to buy there a much needed wide angle lens for my k10d.
I have read a lot of reviews of the Pentax 12-24mm, the old Sigma 10-20mm and some of the new one (for Nikon mount).
I will use it for architectural photography (exterior and interiors) and I want to avoid difficult to correct distortions, so I think I should skip the old Sigma. About the new one there is not a lot of info already but it seems that it doesn't shine at the widest focal length and I donīt know if the distortion is easier to correct and if it will be available in two weeks in Guangzhou (unlikely).
So, I think that my best bet is the Pentax or the old Sigma 12-24mm, but I don't see often people posting about this lens.
I know it is quite expensive, but I have to priorize quality and I'm aware that it would work in a hypotetical FF Pentax model (not that I really expect one!!! ).
So, I would to hear opinions of my fellows to decide if the Sigma lens is a alternative I should consider or if it is better to buy the Pentax zoom.

Thanks in advance.
Turo

PD: If someone can point me to a reliable shop in Guangzhou It would be also nice...

09-11-2009, 07:13 AM   #2
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Join Date: Aug 2008
Location: Brazil
Posts: 532
I want to purchase a super wide angle and also for me the sigma 12-24 popped as an attractive option for FF-proofing. I haven't made a purchase yet, and may decide on another lens, but so far it's my choice. I scoured the net for reviews and they all seemed positive.

IIRC, the flaws are moderate vignetting (easily fixed), no filter capability (moot point for me - polarizers are useles on ultra wides anyway) and the huge size. Not as sharp on the corners as a prime but as good as a zoom goes. And that's talking on a FF camera.

This is a review I found particularly useful (note it's being compared to primes)

Canon 14mm f2.8 v Nikon 14mm v Sigma 12-24mm: Intro
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