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Old 2nd of March 2012 (Fri)   #1
koppite
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Default Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Hi guys, I am about to press the "buy" button for the Sigma 70-200mm OS HSM. Will I regret this choice? I can't afford the Canon Mk 2. I managed to find the Mark 1 at US$1450 used, in fact 2 of them and their lens codes are UT and UU. Then one retailer popped up with a brand new Sigma OS at US$1200.

I am gonna go for the Sigma. Does that makes good sense? I am on 5D btw...Thanks guys!
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Old 2nd of March 2012 (Fri)   #2
Tarzanman
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Look for one used instead. I have the older version of the Sigma 70-200 f/2.8 HSM. I paid $500, and in my opinion it isn't worth much more than that.

Occasional focus issues, poor IQ at the long end, soft and warm at f/2.8. For a $200 difference (16%), I would go with the lens that is known to perform better.

Last edited by Tarzanman : 2nd of March 2012 (Fri) at 10:06.
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Old 2nd of March 2012 (Fri)   #3
koppite
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Quote:
Originally Posted by Tarzanman View Post
Occasional focus issues, poor IQ at the long end, soft and warm at f/2.8. For a $200 difference (16%), I would go with the lens that is known to perform better.
Does that occurs with the latest OS version as well?
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Old 2nd of March 2012 (Fri)   #4
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

The new OS version is not just simply an old version with OS. It's a new optical design too. It is much better than the old one AND unanimously considered a little better than the Canon 70-200 2.8 IS I.
So in my opinion the Sigma 70-200 OS, especially new, is a better buy than the old Canon. The Mark II Canon betters both of them, but the price is outrageous too compared to them.

Here is quick BIF shot I took yesterday, with the Sigma 70-200 OS PLUS a Canon 2x III TC, AI Servo, ISO 1600, 400mm, f/6.3 under very gray sky. So, far from ideal conditions...


Canada Goose in Flight by gabebalazs, on Flickr
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Old 2nd of March 2012 (Fri)   #5
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Quote:
Originally Posted by Tarzanman View Post
Occasional focus issues, poor IQ at the long end, soft and warm at f/2.8. For a $200 difference (16%), I would go with the lens that is known to perform better.
The sigma OS version is the one known to perform better in this case. Completely different beast to the older non-OS versions.
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Old 2nd of March 2012 (Fri)   #6
koppite
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Quote:
Originally Posted by gabebalazs View Post
The new OS version is not just simply an old version with OS. It's a new optical design too. It is much better than the old one AND unanimously considered a little better than the Canon 70-200 2.8 IS I.
So in my opinion the Sigma 70-200 OS, especially new, is a better buy than the old Canon. The Mark II Canon betters both of them, but the price is outrageous too compared to them.

Here is quick BIF shot I took yesterday, with the Sigma 70-200 OS PLUS a Canon 2x III TC, AI Servo, ISO 1600, 400mm, f/6.3 under very gray sky. So, far from ideal conditions...


Canada Goose in Flight by gabebalazs, on Flickr
Wow that's a great shot given the condition you were in. I already have a Kenko 2x, so this will be very much what I will do also.

U just gave me some added assurance with that picture
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Old 2nd of March 2012 (Fri)   #7
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Quote:
Originally Posted by koppite View Post
Hi guys, I am about to press the "buy" button for the Sigma 70-200mm OS HSM. Will I regret this choice??
No you won't. I got the sigma 70-200 OS and it is a great lens. As gabebalazs said, the sigma OS is considered better then the canon mark 1.

The sigma is not as sharp at f2.8 as the canon mark 2 but it also doesn't have the insane price tag. It is however just as sharp at f4 as the canon f4L IS (which is considered one of canons sharpest lenses)

It's an amazing lens and one that you won't regret getting.
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Old 2nd of March 2012 (Fri)   #8
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

I was in the same boat last month and I went for the Canon and certainly don't regret it. I had the 70-200 f4 L, which was pin sharp, and sold it to get the 2.8 MkI which is also pin sharp from 2.8 on my 7D and better than my f4 wide open on my 5D2.
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Old 2nd of March 2012 (Fri)   #9
gabebalazs
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Another advantage IMHO of going with the Sigma is the 4-year warranty and the fact that you can send it back if you don't like it after initial inspection (as long as you get it from a reputable dealer.)
If your used Canon turns out to be defective, or soft, etc., it may be difficult to return it or costly to have it repaired by Canon (only 1-year warranty on those).
For many, including myself, that is also an important factor in the decision making process.
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Old 2nd of March 2012 (Fri)   #10
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Quote:
Originally Posted by gabebalazs View Post
Another advantage IMHO of going with the Sigma is the 4-year warranty and the fact that you can send it back if you don't like it after initial inspection (as long as you get it from a reputable dealer.)
If your used Canon turns out to be defective, or soft, etc., it may be difficult to return it or costly to have it repaired by Canon (only 1-year warranty on those).
For many, including myself, that is also an important factor in the decision making process.
10 yrs warranty in Canada . One of the main reason why I opt for the sigma over MkI.
the only thing that deterred me from the sigma when I was deciding the two was the weather sealing. But honestly unless you're planning to brave the extreme weather the sigma holds up very well.

I used it in the snow up in the slopes last week and everything was fine and dandy
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Old 10th of March 2012 (Sat)   #11
Tarzanman
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Just for clarification, I pulled out the lens to figure out which version I own (maybe someone can chime in). This is what it says on the side:

Sigma APO DG 70-200mm 1:2.8 II Macro HSM

It also has the EX Sigma badge
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Old 10th of March 2012 (Sat)   #12
cdo221
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Default Re: Sigma 70-200 f2.8 OS vs Canon 70-200 f2.8 IS MK 1

Which retailer has it for 1200 new? I'm interested in picking one up as well
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