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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 11 Jan 2014 (Saturday) 23:15
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POLL: "Which image is the Sigma?"
#1
22
56.4%
#2
17
43.6%

39 voters, 39 votes given (1 choice only choices can be voted per member)). VOTING IS FOR MEMBERS ONLY.
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Got bored and did a comparison

 
n1as
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Jan 12, 2014 17:11 |  #16

KirkS518 wrote in post #16598426 (external link)
I say #2 is the sigma. Difference in the corners and the edges. More detail in the fence on the left edge, as well as the rain gutter on the house (upper left). Right side not much difference.

This.

The 2nd image (which is apparently the Canon) has more detail to it. Yes, even at f/8 it can be seen.

And to those who say "I didn't buy an f/2.8 lens to shoot at f/8" I say you're foolish. Different scenes benefit from different techniques. f/8 Is just as useful as f/2.8. They do different things.

The reason to have an f/2.8 zoom lens is so that you can do more with it, not so you can always shoot everything at f/2.8.


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TeamSpeed
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Jan 12, 2014 17:32 |  #17

n1as wrote in post #16600077 (external link)
This.

The 2nd image (which is apparently the Canon) has more detail to it. Yes, even at f/8 it can be seen.

And to those who say "I didn't buy an f/2.8 lens to shoot at f/8" I say you're foolish. Different scenes benefit from different techniques. f/8 Is just as useful as f/2.8. They do different things.

The reason to have an f/2.8 zoom lens is so that you can do more with it, not so you can always shoot everything at f/2.8.

That was not was stated. Nobody said to not buy an f2.8 to just shoot at f8, they said that the extra value and demand was that you could shoot at f2.8.


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oxygen45
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Jan 12, 2014 19:30 |  #18

Here are both at F3.5.

#1 - Sigma

IMAGE: http://farm6.staticflickr.com/5489/11919172813_3da4b65e12_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/an84/1191917281​3/  (external link)
untitled shoot-019.jpg (external link) by [URL=http://[URL]www.f​lickr.com/people/an84/​]

#2 - Canon
[URL=http://[URL]www.f​lickr.com/photos/an84/​11919167243/]
IMAGE: http://farm4.staticflickr.com/3725/11919167243_c6c1233c02_b.jpg
[URL=http://[URL]www.f​lickr.com/photos/an84/​11919167243/]untitled shoot-013.jpg by [URL=http://[URL]www.f​lickr.com/people/an84/​]

Canon 60D ~ Sigma 10-20 | Sigma 17-50 F2.8 OS | Canon 55-250 IS II | Sigma 150-600 C

  
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kfreels
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Jan 12, 2014 19:47 |  #19

lighting on these two is totally different. no shadows hardly at all on number 1


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vengence
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Jan 12, 2014 21:26 |  #20

mgk2 wrote in post #16598384 (external link)
I personally don't buy a f2.8 zoom to shoot @ f8,

This... so much this...

As for the second set, you hit a cloud on the sigma. For a proper comparision, you should really be doing full manual (same ISO, shutter, aperture) so that T-stop is also evident.




  
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BrickR
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Jan 12, 2014 21:36 |  #21

I don't own any Sigmas and haven't shot with any but the 30 1.4 Art, so I don't have enough experience with them to know how they tend to render. Interesting to hear that they are warmer than Canon. All my Tamrons are a little warmer than Canon.


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Got bored and did a comparison
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