THIS IS BRILLIANT, I'M A SPORTS PHOTOGRAPHER OF 27 YEARS AND THIS LENS ON MY 5D MKIII IS AS GOOD AS MY COLLEAGUES 100-400 MK II AND 400MM,500MM AND 600MM I'M NOT KIDDING, IT'S REALLY QUICK,FOLLOW FOCUSES WITHOUT LOSING THE SUBJECT IT'S SO CLEAR AND CRISP,IT'S QUITE HEAVY, BUT I LIKE THAT EVEN ON ISO...
Durable; FAST AF,SUPER SHARP,GREAT COLOURS AND CLARITY; Great Features; Great Picture Quality; Simple Controls
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