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10-05-2012, 09:45 AM   #1
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wide angle zoom recommendation

I am interested in buying an ultra wide angle zoom. I am having difficulty deciding between the pentax 12-24, sigma 10-20, tamron 10-24.
I will be happy to read the forum's recommendation
If it's just a matter of quality (not price) what would you buy?
thanks
avichai

10-05-2012, 09:51 AM   #2
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I think it depends on personal choice.

I have the sigma 10-20 F4-5.6 and shoot 60 % of my shots with that lens at 10mm. I would miss that if I had a Limit of 12mm.

Some swear by the 12-24 based upon distortion figures compared to the older sigma, but the minor distortion at 10mm does not bother me.

The newer sigma is F3.5 constant aperture and the 1/2 stop may be of some use, but I can't comment on any optical differences performance wise
10-05-2012, 09:58 AM   #3
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I have to say the Sigma 8-16 is an addictively fun lens, and very sharp for the extremeness of FoV. You can't put a CPL on a lens that wide which is kind of a bummer, but that's true of any lens in the ultra wide classification. The 8-16 though makes it difficult to mount ANY filter due to the shape of the front element, though a Cokin or Lee filter holder might allow you to mount a split ND. But let me tell you, 8mm makes a big difference compared to 10mm; it's 20% wider, and it's 50% wider than 12mm.
10-05-2012, 10:39 AM   #5
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QuoteOriginally posted by maxfield_photo Quote
I have to say the Sigma 8-16 is an addictively fun lens, and very sharp for the extremeness of FoV. You can't put a CPL on a lens that wide which is kind of a bummer, but that's true of any lens in the ultra wide classification. The 8-16 though makes it difficult to mount ANY filter due to the shape of the front element, though a Cokin or Lee filter holder might allow you to mount a split ND. But let me tell you, 8mm makes a big difference compared to 10mm; it's 20% wider, and it's 50% wider than 12mm.

I agree. The 8-16 is a great lens. 8mm is ultra-wide. 20mm is not.
10-05-2012, 11:09 AM   #6
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QuoteOriginally posted by maxfield_photo Quote
I have to say the Sigma 8-16 is an addictively fun lens, and very sharp for the extremeness of FoV. You can't put a CPL on a lens that wide which is kind of a bummer, but that's true of any lens in the ultra wide classification. The 8-16 though makes it difficult to mount ANY filter due to the shape of the front element, though a Cokin or Lee filter holder might allow you to mount a split ND. But let me tell you, 8mm makes a big difference compared to 10mm; it's 20% wider, and it's 50% wider than 12mm.
I just ordered this lens along a k5. I can't wait to get itt!!
10-05-2012, 05:26 PM   #7
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If you want to use a circular polarizer I'd go for the Sigma 10-20/4-5.6 for best combo of IQ & price.
10-06-2012, 04:06 AM   #8
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Thank you all for your recommendations
Avichai

10-06-2012, 04:31 AM   #9
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QuoteOriginally posted by msatlas Quote
If you want to use a circular polarizer I'd go for the Sigma 10-20/4-5.6 for best combo of IQ & price.
A polarizer is somewhat of a waste of time. The field of view is so wide that thensky becomes very uneven in exposure, unless you have the sun directly behind you
10-06-2012, 09:51 AM   #10
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QuoteOriginally posted by Lowell Goudge Quote
A polarizer is somewhat of a waste of time. The field of view is so wide that thensky becomes very uneven in exposure, unless you have the sun directly behind you
The polarizer can still be effective for reducing reflections on water and foliage with the 10-20mm sigma at 10mm, and it becomes more useful as you zoom toward the longer end of the range.

Paul
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