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Lenses / Re: Keep 70-200 f4 IS or go for f2.8 IS II?
« on: July 20, 2012, 03:32:52 PM »
http://www.slrgear.com/reviews/showproduct.php/product/999/cat/11
http://www.slrgear.com/reviews/showproduct.php/product/57/cat/11
Check out SLR Gear reviews on these lenses. Take a look at the Blur Charts that represent IQ.
Surprisingly the f4 lens has slightly better IQ, but with much less weight. Unless you need f2.8... I wouldn't upgrade at all.
I own the 70-200 F4is and the 300mm f2.8is. The only lens I have ever used that even comes close to the 300... is the f4 70-200.
http://www.slrgear.com/reviews/showproduct.php/product/57/cat/11
Check out SLR Gear reviews on these lenses. Take a look at the Blur Charts that represent IQ.
Surprisingly the f4 lens has slightly better IQ, but with much less weight. Unless you need f2.8... I wouldn't upgrade at all.
I own the 70-200 F4is and the 300mm f2.8is. The only lens I have ever used that even comes close to the 300... is the f4 70-200.


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