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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 13 Aug 2013 (Tuesday) 18:17
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Sigma 17-50 over Sigma 17-70?

 
mlech
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Aug 13, 2013 18:17 |  #1

On my T3i I'm using a Sigma 17-70 F/2.8-4

I would like to replace it with a Sigma 17-50 F/2.8


Both have image stabilization, only difference is constant F/2.8 on the 17-50, and slightly shorter zoom which I'm fine with.


While I want a constant F/2.8 I'd prefer to improve image quality also, can anyone tell if this lens produces better quality images? I've heard both sides to this so not sure.

thx


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WaterVsAnchor
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Aug 13, 2013 19:16 |  #2

In terms of image quality, they're pretty close - you probably wouldn't notice the difference. It really comes down to what you want more - range or constant aperture. Do you feel that your 17-70 isn't producing quality images?


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mlech
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Aug 13, 2013 19:24 |  #3

Not exactly as good as I'd want
If its something slightly better with constant F2.8 that'll leave me satisfied.

It's just for the time being before I get a 6D


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Sirrith
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Aug 13, 2013 22:19 |  #4

The 17-50 should give you better IQ.


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FEChariot
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Aug 14, 2013 02:09 |  #5

Sirrith wrote in post #16206038 (external link)
The 17-50 should give you better IQ.

He's talking about the pre-Contemporary version I assume, then I would agree.


Canon 7D/350D, Σ17-50/2.8 OS, 18-55IS, 24-105/4 L IS, Σ30/1.4 EX, 50/1.8, C50/1.4, 55-250IS, 60/2.8, 70-200/4 L IS, 85/1.8, 100/2.8 IS L, 135/2 L 580EX II, 430EX II * 2, 270EX II.

  
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mlech
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Aug 14, 2013 02:53 |  #6

I'm talking about the latest version with OS


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gremlin75
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Aug 14, 2013 03:56 |  #7

mlech wrote in post #16206437 (external link)
I'm talking about the latest version with OS

There are now two versions of the 17-70 with OS. The newest "contemporary" version that can use the Sigma USB and the older OS version that can not.

The contemporary version is a little better then the origanl OS version of the lens.




  
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FEChariot
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Aug 14, 2013 08:22 as a reply to  @ gremlin75's post |  #8

I mixed art and contemporary up. Oops.


Canon 7D/350D, Σ17-50/2.8 OS, 18-55IS, 24-105/4 L IS, Σ30/1.4 EX, 50/1.8, C50/1.4, 55-250IS, 60/2.8, 70-200/4 L IS, 85/1.8, 100/2.8 IS L, 135/2 L 580EX II, 430EX II * 2, 270EX II.

  
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KeenanRIVALS
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Aug 14, 2013 08:48 |  #9

I've had both, well I had the HSM 17-70, I did like the range better, but I got a better result out of the 17-50.


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pdrober2
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Aug 14, 2013 09:29 |  #10

Sigma 17-50 is on sale for $430

https://photography-on-the.net …/showthread.php​?t=1322478


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gremlin75
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Aug 14, 2013 11:04 |  #11

FEChariot wrote in post #16206848 (external link)
I mixed art and contemporary up. Oops.

I do that all the time. Love Sigmas new direction, hate the new names :D




  
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mlech
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Aug 18, 2013 16:41 |  #12

Damn I missed that sale,
anywhere else I can buy it brand new in that price range?


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Sigma 17-50 over Sigma 17-70?
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