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03/14/2009 09:31:25 PM · #26 |
I have owned 3 comparable lenses:
Sigma 17-35mm f/2.8-4.0 EX Aspherical HSM for Canon
Tamron SP AF 17-35mm f/2.8-4 Di LD Aspherical IF for Canon
Canon EF 17-40mm f/4L USM
I would rank the Canon 1st, the Tamron 2nd, and the Sigma 3rd.
The sigma has a lot of barrel distortion and heavy chromatic aberrations. I had it for about 2 years, when, using it in a fine mist, the motor died. It had seemed sturdy and well built but the results I was getting out of it made my put it on a shelf and buy the tamron.
The tamron was nice even though it felt a little cheap. It was lightweight and very plastic feeling, but it didn't have nearly the same problems as the sigma with distortion and chromatic aberrations. Also, the lens shot more neutral than the sigma which produced warmer toned images.
I got the canon for my birthday and, once I used it, I never picked up the Tamron again and eventually sold it for about $50 less than I paid for it (after a year of use - it held its value). the Tamron focus speeds were better than the sigma's, which often hunted in low light, but the Canon was even faster than the Tamron. It has much better control over distortion and CA; I rarely experience CA in the Canon at all.
I miss the f2.8 but the faster focusing and better results are definitely worth it. The images I get are cleaner at the pixel peeping level and the lens itself is sturdier and better built.
Hope this helps...it is solely my opinion based on my experience and in no way constitutes endorsement of any product over the other, nor is it to be taken as the ultimate authority. Your mileage may vary, do not take internally. |
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03/15/2009 08:26:43 AM · #27 |
i have 2 sigma ex range primes, 10mm and 30mm.
the 30mm is a good length for landscapes, and full length portraits.
and it is as sharp as my 200mm prime L glass.
if money is an issue, go for primes, they are cheaper and faster, with better image quality.
the only thing they are not is flexible.
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03/15/2009 09:36:03 AM · #28 |
While the image quality can be good on the 3rd party lenses (Sigma, Tamron), the speed and accuracy of the focusing will be superior with the Canon L lenses.
I had the Tamron 17-50 2.8, later got the Canon 17-40L. While I saw the image quality go up with the L lens, the real difference was in the performance of the lens on the camera. |
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03/15/2009 09:39:46 AM · #29 |
Originally posted by marbo:
Originally posted by colyla:
Another thing you may want to try....here on DPC they have where you can look up the lens and it shows pictures that have been taken with that particular lens. They is a big eye opener! I'm saving for an "L" lens....it will take me a little while but when you see photos on here done with an L....it will blow you away! |
But no blue ribbons from the 2 most popular canon L lenses. 17-40 and 70-200. |
I don't understand the comment. There are many blue ribbons from both of those lenses.
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03/15/2009 09:50:57 AM · #30 |
Originally posted by scarbrd:
Originally posted by marbo:
Originally posted by colyla:
Another thing you may want to try....here on DPC they have where you can look up the lens and it shows pictures that have been taken with that particular lens. They is a big eye opener! I'm saving for an "L" lens....it will take me a little while but when you see photos on here done with an L....it will blow you away! |
But no blue ribbons from the 2 most popular canon L lenses. 17-40 and 70-200. |
I don't understand the comment. There are many blue ribbons from both of those lenses. |
That post is from 2005. :-)
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03/15/2009 10:38:44 AM · #31 |
Originally posted by david_c:
Originally posted by scarbrd:
Originally posted by marbo:
Originally posted by colyla:
Another thing you may want to try....here on DPC they have where you can look up the lens and it shows pictures that have been taken with that particular lens. They is a big eye opener! I'm saving for an "L" lens....it will take me a little while but when you see photos on here done with an L....it will blow you away! |
But no blue ribbons from the 2 most popular canon L lenses. 17-40 and 70-200. |
I don't understand the comment. There are many blue ribbons from both of those lenses. |
That post is from 2005. :-) |
Wow, didn't notice that! my bad |
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03/16/2009 03:35:42 PM · #32 |
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