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04-08-2010, 10:11 AM   #1
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Pentax 12-24mm f4 or Sigma 10-20mm f3.5

Pentax 12-24mm f4 or Sigma 10-20mm f3.5, what do you guys think?

I want to get a super wide, but im not sure which one. this sigma is wider and faster, yet the pentax is way more expensive in my local shop the sigma is 569.99, and they dont sell the pentax, but i was under the impression that you could get one for about 800 online?

if i went for the pentax, would i just be buying the badge or is it seriously a better lens (dispite being slower)??

04-08-2010, 10:23 AM   #2
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also, the Sigma 10-20mm f4-5.6 is 429.99 which is less still, but id rather do for the f3.5 really
04-08-2010, 11:58 AM   #3
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I've heard the 4 is sharper than the 3.5, but I've only used the 4, so I can't comment from personal experience.

I owned the 10-20/4-5.6 and sold it to get the 12-24/4, for both the constant aperture and due to the praise lavished upon it. It was a great upgrade in the end.
04-08-2010, 12:06 PM   #4
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ohright

il have to look at some reviews to see what they think of its sharpness
hmm it will be a shame if it is

04-08-2010, 03:21 PM   #5
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I read everything there was to be read and looked at many images. The DA12-24 is the one more pros who need to make money from a lens had. So that's what I got, even though I'm not in that category. (Of course most pros who need wide angle use full-frame, but that is another story.)
04-08-2010, 03:24 PM   #6
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Avro CF-100 "Canuck"



This has a fair amount of PP and I think I deliberately added noise with the tinting.
04-08-2010, 03:26 PM   #7
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outlook from Calle de Almanzora Baja



This shot, also from the DA12-24, has much less PP and so might make for a better benchmark. This is a versatile lens with excellent distortion control and rendering.

With last year's price rise it has beceome too expensive. Look for a used copy. Good luck!
04-08-2010, 03:36 PM   #8
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QuoteOriginally posted by rparmar Quote

With last year's price rise it has beceome too expensive. Look for a used copy. Good luck!
yeah i will, i hadnt really thought about it but it is a good idea. thanks, and great photos. the first one is a niceshow of a how dramatic effect can be achieved with a wide angle lens, and the colours on tthe second one are great.

thanks

04-08-2010, 03:39 PM   #9
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i think if you really want the 3.5, than get the 3.5. if you usually shoot landscape, i suggest you get the pentax one. i think the pentax one got better color
04-08-2010, 03:45 PM   #10
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One thing you have to watch for with the 10-20 is nasty distortion at 10mm. The earlier 10-20 produced some rather severe distortion along the borders at 10mm, making is not as useful at the wide end of the lens. Before getting the new 10-20, I'd make sure Sigma's fixed or mitigated this issue in the new version of the lens. The Pentax may only get to 12, but it's a useable 12 corner to corner.

I agree with what others here have said about the 12-24's sharpness and color rendition, which is off the charts.
04-08-2010, 03:54 PM   #11
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It all depends on your requirement; to me, the "20-24mm" end is more useful than the "10-12mm" end as I sometimes use it as walk-around lens including people face on it. Also, the 10mm wide end may also have some inherent distortion - so, even if I have it, I would not use it much. I also prefer the color rendition of the DA 12-24mm than the Sigma lens (I have the 18-50mm 2.8) - so, YMMV, I can also use the DA 12-24mm wide open pretty much most of the time.
04-08-2010, 03:59 PM   #12
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ive been looking at getting these lens too, from what ive read the pentax is the better lens, but the sigma is still a great and great bang for buck.
04-08-2010, 04:09 PM   #13
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QuoteOriginally posted by aleonx3 Quote
It all depends on your requirement; to me, the "20-24mm" end is more useful than the "10-12mm" end as I sometimes use it as walk-around lens including people face on it.
Actually, I totally agree with that. I shoot mostly at 24mm but know I have the extra width for alleys and shots where I deliberately want to use perspective distortion for effect. But when I'm travelling light I just pop a 24mm prime in my pocket instead.
04-08-2010, 04:12 PM   #14
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QuoteOriginally posted by rparmar Quote
Actually, I totally agree with that. I shoot mostly at 24mm but know I have the extra width for alleys and shots where I deliberately want to use perspective distortion for effect. But when I'm travelling light I just pop a 24mm prime in my pocket instead.
Hi, Robin, how are you? I agree... I have recently scored a Chinon multicoated 24mm f2.5 m42 lens - it is a real gem - the photos taken with the lens have a real pop -something like my FA 43mm ltd. And I use it (the 24mm) quite often - stuck on my K10D now.

Last edited by aleonx3; 04-08-2010 at 04:25 PM.
04-08-2010, 05:24 PM   #15
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QuoteOriginally posted by aleonx3 Quote
I have recently scored a Chinon multicoated 24mm f2.5 m42 lens - it is a real gem - the photos taken with the lens have a real pop -something like my FA 43mm ltd.
Do you have examples? Here is something from my Vivitar 24/2 (Komine made).

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