anyone got one of these? i'm looking for some reviews
my questions to any owners
wondering how it is for AF speed say vs the 70-200 f2.8L IS II
sharpness though the range image quality?
do canon mkIII TC fit onto these?
build quality? I have the 85mm f1.4 is the build and finish the same?
i found this review but it doesnt really cover what i'm chasing
Sigma 120-300 F2.8 OS Review with Sample Images
edit: I found this review wich is a bit better
http://www.bobatkins.com/photography/reviews/sigma_120-300os_review.html
my questions to any owners
wondering how it is for AF speed say vs the 70-200 f2.8L IS II
sharpness though the range image quality?
do canon mkIII TC fit onto these?
build quality? I have the 85mm f1.4 is the build and finish the same?
i found this review but it doesnt really cover what i'm chasing
Sigma 120-300 F2.8 OS Review with Sample Images
edit: I found this review wich is a bit better
http://www.bobatkins.com/photography/reviews/sigma_120-300os_review.html