Canon EF 70-200mm f/2.8 L USM Lens Review
The Canon EF 70-200mm f/2.8 L USM Lens is about 1.3 lbs (605g) heavier, .8" (21.6mm) longer, and .3" (8.6mm) wider than its smaller sibling. The actual numbers are 3.3" x 7.6", 2.9 lbs compared to 3.0" x 6.8", 1.6 lbs for the f/4 or 84.6mm x 193.6mm, 1310...