Specifications, comparison, reviews,
MTF-charts for lenses by Canon,
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4.33 0 1755
4 0 1647
Sigma 400mm F5.6 D APO TELE MACRO
Autor: Sean Teng
3.5 0 389
Owner reviews: Sigma 400 mm f/ 5.6 APO
Small cheap fast focus but don't wait miracle from it . dyxum.com have a right rating about the sharpness of this lens is weak .
Because is not sharp from f/5.6 i think is better look from other lens :)
Maybe some other versions of this lens are good but mine is good for decoration in my room :)