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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 20 Oct 2010 (Wednesday) 10:53
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does the sigma 17-70 OS have better IQ then non OS?

 
Nickc84
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Oct 20, 2010 10:53 |  #1

Was going to make a purchase cus I am tight budget but OS version is giving me cold feet. My main concern Is IQ ...Thanks




  
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msowsun
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Oct 20, 2010 13:18 |  #2

SLR Gear has tests on both and they say the new OS is sharp, but the older non-OS is slightly sharper all around: http://www.slrgear.com​/reviews/showcat.php/c​at/31 (external link)


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tkbslc
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Oct 20, 2010 13:22 |  #3

Yep, SLRgear is primarily why I saved $200 and went with a used non-OS. The prices on the old version have dropped so far, this lens is officially too cheap to sell, along with my 55-250 IS.


From SLRgear.com

Alternatives

Sigma 17-70mm ƒ/2.8-4.5 DC Macro ~$380
While the older version of Sigma's 17-70mm doesn't have the same aperture capability of the new version or optical stabilization, it produced markedly sharper images - though it could be that there are sharper copies of the 17-70mm OS we tested. CA resistance is a little better, distortion is a bit lower, but corner shading is a bit higher. Macro performance is also a bit better and the whole package weighs a bit less; it's also a little less expensive.


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bmwcolin
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Oct 20, 2010 16:36 |  #4

I really like my 17-70, very sharp, and the macro is awesome, but I'm really missing the IS on my 18-55is kit lens. So I am selling my 17-70 and either going to get the OS version or save up and get a 15-85is (a little slower though) Want a 17-70 non OS? I have one waiting for you.


EOS 6d, 24-105, 85 1.8, Tamron 150-600. kenko 180*fisheye, tokina 11-16, Canon 100L macro, 430ex.

  
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Nickc84
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Oct 20, 2010 19:12 |  #5

I just bought the OS version now I am regretting from reading this! NOOOOOOOO

I made the decision because I can’t afford the tamron 17-50 VC and the sigma 17-70 OS is 200 cheaper and I need a lens to use for an upcoming wedding so I figured the OS would be good in low light.




  
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bmwcolin
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Oct 20, 2010 19:57 |  #6

Nickc84 wrote in post #11134698 (external link)
I just bought the OS version now I am regretting from reading this! NOOOOOOOO

I made the decision because I can’t afford the tamron 17-50 VC and the sigma 17-70 OS is 200 cheaper and I need a lens to use for an upcoming wedding so I figured the OS would be good in low light.

So how is it? Where did you get it? can you post some sample shots? If your happy with it, then YOUR happy with it. just because other people say that the non OS is sharper, doenst mean you have to get rid of yours if your happy with it, (if so I might trade you. LOL) How long have you had it?


EOS 6d, 24-105, 85 1.8, Tamron 150-600. kenko 180*fisheye, tokina 11-16, Canon 100L macro, 430ex.

  
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Nickc84
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Oct 20, 2010 20:05 as a reply to  @ bmwcolin's post |  #7

I just ordered it ..should be here in the morning. I did not even realize it dose not have a constant apeture of 2.8....I am really kicking myself in the but on this one.




  
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bmwcolin
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Oct 20, 2010 20:10 |  #8

depending on where you ordered it, just send it back if you dont like it.


EOS 6d, 24-105, 85 1.8, Tamron 150-600. kenko 180*fisheye, tokina 11-16, Canon 100L macro, 430ex.

  
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torvaterra
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Oct 20, 2010 21:23 as a reply to  @ bmwcolin's post |  #9

I think that with OS if you handhold, the difference would make this lens much "sharper" over the non os version. I have the Sigma 17-50mm f/2.8 and its noticeably different with os on or off. I prefer having the option as I hand hold a lot. I guess it depends on how and what you shoot.


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Nickc84
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Oct 20, 2010 21:36 |  #10

torvaterra wrote in post #11135480 (external link)
I think that with OS if you handhold, the difference would make this lens much "sharper" over the non os version. I have the Sigma 17-50mm f/2.8 and its noticeably different with os on or off. I prefer having the option as I hand hold a lot. I guess it depends on how and what you shoot.

That's good to know. Thanks, I will give it a shot and see. I did not realize the aperture was not constant but I will be using a flash for the wedding so it should be fine unlike my last wedding where we could not use a flash in the church. This wedding is just indoors.. no church or anything. Hopefully if I land another job soon I can get another lens to add like a Sigma 50-150 2.8




  
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Nickc84
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Oct 21, 2010 09:59 |  #11

Well, I had every intention of bringing it back but its sharp, DOF is nice even at 4.0 and the OS works great in low light. Here is some pics I took this morning.

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IMG_1155 (external link) by NEC Photography (external link), on Flickr

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IMG_1132 (external link) by NEC Photography (external link), on Flickr



  
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bmwcolin
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Oct 21, 2010 10:22 |  #12

Looks good, glad your happy with it. Where did you buy it from?


EOS 6d, 24-105, 85 1.8, Tamron 150-600. kenko 180*fisheye, tokina 11-16, Canon 100L macro, 430ex.

  
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tkbslc
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Oct 21, 2010 10:24 |  #13

Nobody said it was a bad lens! it is a great lens. But from pixel peeper view, the old one is a slightly better at the edges at max aperture. Nothing to worry about if you are getting great results and in many cases the OS will be handy.


Taylor
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Nickc84
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Oct 21, 2010 10:26 |  #14

Adaroma. It came with a free tiffen UV, and clean kit for $449. I was amazed how good this hand held shot at 1/10 came out of my room. I would post it if it wasn't so dirty! IQ seems to be just as good as my 50 1.8




  
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Nickc84
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Oct 21, 2010 10:29 |  #15

tkbslc wrote in post #11138276 (external link)
Nobody said it was a bad lens! it is a great lens. But from pixel peeper view, the old one is a slightly better at the edges at max aperture. Nothing to worry about if you are getting great results and in many cases the OS will be handy.

My main concern was the non constant 2.8 aperture but the DOF looks nice at 4.0 why is that compared to other lenses?




  
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does the sigma 17-70 OS have better IQ then non OS?
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