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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 06 Feb 2013 (Wednesday) 16:27
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Canon 15-85mm vs Sigma 17-70

 
Bobct1
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Feb 06, 2013 16:27 |  #1

Canon EF-S 15-85mm f/3.5-5.6 IS USM Lens

vs

Sigma 17-70mm f/2.8-4 DC Macro OS HSM For Canon


So the Canon can be found for around $600... and the Sigma for about half that at $300... lets assume that the focal length differences at either end are not an issue... What are your thoughts? I know that there is a new version of the Sigma that lists for $499 (I think)... so this question is specifically for the previous version.

I currently have a 24-105mm that I use most of the time, but sometimes find it not wide enough. I was considering either the Sigma or Tamron 17-50mm non-VC/OS... but I have become fond of the IS on the 24-105. I use this lens mostly to shoot my kids indoors. The faster lens would be nice, but am thinking I might like the extra reach of the 17-70 or 15-85.

Thanks in advance for any advice...




  
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artyman
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Feb 06, 2013 16:33 |  #2

The 15-85 is a cracking good lens on a crop camera, rarely off my 7D


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Ken
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Bobct1
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Feb 06, 2013 16:40 |  #3

"Cracking"... that a new adjective...

I've read a lot of great things about the 15-85... just at 1/2 the price, I was wondering how the Sigma 17-70 would compare...




  
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Bobct1
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Feb 06, 2013 19:15 |  #4

no other opinions...? thought this would have been an easy one. I was hoping to hear from someone that may have had both... or had the sigma, then upgraded to the canon...

Anyone? The Sigma is on sale... but I think that may be ending soon... just wondering if I should consider jumping on that one... or holding out for the 15-85




  
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tmwag
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Feb 06, 2013 19:18 as a reply to  @ Bobct1's post |  #5

Might be examples of the sigma in the lens sample section. Personally don't care for sigma's and the canon has proven it's worth to me




  
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Sirrith
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Feb 06, 2013 19:24 |  #6

The Sigma is an amazing deal for the current price. User kfreels on here prefers his Sigma 17-70 to his 15-85. You can try search up some of his posts for reasons. I doubt the sale is ending soon, because they are coming out with a new version for $499 in March, which means they are getting rid of the old stock.


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mwsilver
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Feb 06, 2013 23:15 |  #7

Bobct1 wrote in post #15580481 (external link)
"Cracking"... that a new adjective...

Not for a Brit. Quite common in fact.


Mark
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Mjkxxl
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Feb 06, 2013 23:25 |  #8

I personally do not own the Sigma so I am not about to comment on its quality and such. I am sure you can find some image samples of the Sigma lens that will give you an idea of the quality of images you can get out it.

I do own the 15-85 and it is a fantastic lens so long as you don't need the speed of a 2.8 or faster over these focal lengths. I would recommend the 15-85 as a "kit" lens with any crop frame Canon cause it really produces great images, great all around range, and allows you to grab a wide variety of shots with a single lens which any good walk around lens should.


-Mark
7D | 15-85mm | 100mm 2.8L Macro | 70-200mm 2.8L IS MkII | 580EX II | 600EX-RTx3

  
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Snydremark
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Feb 06, 2013 23:26 |  #9

Bobct1 wrote in post #15580481 (external link)
"Cracking"... that a new adjective...

I've read a lot of great things about the 15-85... just at 1/2 the price, I was wondering how the Sigma 17-70 would compare...

Image quality should be comparable; one of my former coworkers did wonderful reptile work with the 17-70; but in that focal range, I'd think the wider and longer range of the 15-85 would trump the 17-70.


- Eric S.: My Birds/Wildlife (external link) (7D MkII/5D IV, Canon 10-22 f/3.5-4.5, Canon 24-105L f/4 IS, Canon 70-200L f/2.8 IS MkII, Canon 100-400L f/4.5-5.6 IS I/II)
"The easiest way to improve your photos is to adjust the loose nut between the shutter release and the ground."

  
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1Tanker
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Feb 06, 2013 23:31 |  #10

Bobct1 wrote in post #15580923 (external link)
no other opinions...? thought this would have been an easy one.

I think you put too much of a limitation on this, by saying "lets assume that the focal length differences at either end are not an issue", because they are.
That extra 2mm on the wide end is greater than you would think, and that excellent focal-range is a big part of what makes the 15-85, such a sweet and unique "crop" lens.


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msowsun
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Feb 06, 2013 23:52 |  #11

Snydremark wrote in post #15581682 (external link)
Image quality should be comparable; one of my former coworkers did wonderful reptile work with the 17-70; but in that focal range, I'd think the wider and longer range of the 15-85 would trump the 17-70.

I had the older non-IS 17-70 and replaced it with the 15-85. I found the 15-85 noticeably sharper. The 15-85 is also sharper than the 17-70 OS: http://www.the-digital-picture.com …omp=0&FLIComp=5​&APIComp=3 (external link)


Mike Sowsun / S110 / SL1 / 80D / EF-S 24mm STM / EF-S 10-18mm STM / EF-S 18-55mm STM / EF-S 15-85mm USM / EF-S 18-135mm USM / EF-S 55-250mm STM / 5D3 / Samyang 14mm 2.8 / EF 40mm 2.8 STM / EF 50mm 1.8 STM / EF 100mm 2.0 USM / EF 100mm 2.8 USM Macro / EF 24-105mm IS / EF 70-200mm 2.8L IS Mk II / EF 1.4x II
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gremlin75
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Feb 06, 2013 23:58 |  #12

If you already have a 24-105 why not look into getting a Canon 10-22, sigma 10-20, or Tokina 11-16 if you want f2.8? (I'm assuming you have a crop camera as the two lenses you listed are crop lenses)

If you're looking for wider and don't want to change lenses then you can go wrong with either lens. The question is do you want wider and longer at the cost of being slower (aperture), or do you want a faster lens (again aperture) at the cost of range?

In all honesty, if your main subject is your kids indoors then I'd say go with the sigma and get a flash. You could get the 17-70 and a canon 430ex II or a Yongnuo 565ex or 568ex and still have some money left over compared to just the canon 15-85.




  
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davem01
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Feb 06, 2013 23:58 as a reply to  @ msowsun's post |  #13

I have the non OS version of the Sigma and the 15-85
The colours and resolution are better on the Canon by quite a margin - the Sigma is either sitting in its box or lent out to friends - I never use it now I have the Canon
The wide end is very different - who would think 2mm would mean so much until you actually try it!
The Sigma is better than the kit 18-55 but the 15-85 is better than the Sigma IMHO


My Gear: 5D mk iv, EF 24-105L, 70-300L, 100L IS Macro, 17-40L, 100-400L mkii

  
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Nish-ZA
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Feb 07, 2013 01:13 |  #14

I have the 15-85 on my 60D and love it!




  
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boingy
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Feb 07, 2013 01:59 |  #15

I agree with gremlin on getting an UWA instead since you have the 24-105 and looking for wider. If you're set on choosing between the two then you need to decide if the extra price of the 15-85 is worth it's features over the 17-70 OS. I also would check out the new 17-70 which is selling for $500 at B&H.


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