7 out of 10 points and recommendedSharp, Acceptably fast AF.Internal Zoom.PriceNot as contrasty as the L.Slower AF than USM
I've used this lens on my 20D.No focussing problems at all.This lens, if you get a good copy, is as sharp as the L at all f-stops.reviewed February 16th, 2006
10 out of 10 points and recommendedVery Fast AF.Very sharp and contrasty images.Almost none
This lens is very much comparable to a prime.reviewed February 16th, 2006
USM AF is VERY fast and is perfect for indoor sports.
Very good portrait lens too.
10 out of 10 points and recommendedSuper Sharp.Super Fast AF. Big F-value.Light.None
This is an amazing lens.Very sharp wide open and no improvement when stopped own.reviewed March 11th, 2006