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Author Topic: 300mm F2.8 L IS II vs Sigma 120-300mm f/2.8 AF APO EX DG OS HSM any opinion ?  (Read 4159 times)

1982chris911

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Any one here having tested both the new 300mm F2.8 L IS II and the new Sigma 120-300mm f/2.8 AF APO EX DG OS HSM and having an opinion on how these two said lenses compare in sharpness and general (real world) usability ... Some reviews Rate the sigma as sharper as the Canon 70-200mm F2.8 IS II so it should be really sharp ...   
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AdamJ

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I haven't read any reviews of the 300mm II but I'm sure it is the state of the art. There is, no doubt, a difference between sharp (120-300mm) and bleeding-edge sharp (300mm II) but I personally wouldn't need that final magnitude of sharpness, especially at three times the price. I would love to have a 120-300mm, not because I need it for my style of shooting, but because it exists.

HarryWintergreen

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The older  Sigma could never match even the Canon 300 f/2.8 Mk1. For a review of the Mk2, see  [http://www.slrgear.com/reviews/showproduct.php/product/1369/cat/10] or [http://www.the-digital-picture.com/Reviews/Canon-EF-300mm-f-2.8-L-IS-II-USM-Lens-Review.aspx.].
Consider the fact the mk2 even beats the mk1. The Sigma is quite heavy but I see it's having some nice features. So, it might me an interesting alternative for e.g. bird photography (photos taken by humans of birds).

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As a relatively new owner of the Sigma, I have yet to fully get to grips with its detailed character.

For me the zoom and price difference alone were significant reasons to choose it, providing the image quality was decent. Used on a 7D, I find it visibly softer at f/2.8 than when stopped down at all so for critical sharpness that may be a consideration. It's good enough, but if you need the absolute best wide open, you may want more than good enough. I haven't noticed corner issues on crop sensor. AF speed is ok, but not super fast.
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Axilrod

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I don't know where you heard that the 120-300 was better than the 70-200, and I seriously doubt it's as good as the 300 f/2.8 IS II.  Just look at the charts against the 70-200, it's no contest IMO.:
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=381&Camera=9&Sample=0&FLI=1&API=0&LensComp=687&CameraComp=453&SampleComp=0&FLIComp=3&APIComp=0

Even with the 1.4x extender the 70-200 is noticeably better.

As for the 120-300 vs. 300 f/2.8 IS II, again, no comparison.  Even at f/8 the 120-300 isn't as sharp as the 300 at f/2.8:
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=381&Camera=9&Sample=0&FLI=2&API=0&LensComp=739&CameraComp=0&FLIComp=0&APIComp=0
« Last Edit: May 07, 2012, 12:10:27 PM by Axilrod »
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1982chris911

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I don't know where you heard that the 120-300 was better than the 70-200, and I seriously doubt it's as good as the 300 f/2.8 IS II.  Just look at the charts against the 70-200, it's no contest IMO.:
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=381&Camera=9&Sample=0&FLI=1&API=0&LensComp=687&CameraComp=453&SampleComp=0&FLIComp=3&APIComp=0
Even with the 1.4x extender the 70-200 is noticeably better.


As for the 120-300 vs. 300 f/2.8 IS II, again, no comparison.  Even at f/8 the 120-300 isn't as sharp as the 300 at f/2.8:
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=381&Camera=9&Sample=0&FLI=2&API=0&LensComp=739&CameraComp=0&FLIComp=0&APIComp=0



That is not the lens I am talking about, this is a much older design by sigma which did not even have IS ... the new one is a completely different design and much improved 
« Last Edit: May 07, 2012, 02:19:50 PM by 1982chris911 »
5D MKII, 5D MK III, 7D, Sigma 12-24 HSM2, Canon 17-40 F/4.0 L, Canon 24-70 F/2.8 L, Canon 70-200 F/2.8 IS II L , Ext x2 III + some other stuff

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