Just posted my Canon EF 70-200mm f/2.8L IS II USM Lens Review
I borrowed this lens from a friend, and I was greatly impressed with its performance. The use of the fluorite element and five UD elements resulted in an unprecedented image quality for a zoom lens. This beast beats my Canon 200mm f/2.8 L II USM wide open in image quality. You are welcome to read my Canon EF 70-200mm f/2.8L IS II USM Lens Review.