The canon ef 100 400mm f45 56 l is mark ii usm lens builds upon the success of the popular mark i with a redesigned optical system for superb sharpness a 3 mode image stabiliser that allows shutter speeds up to 4 stops slower than normal and an improved minimum focusing distance of 32 feet compared to 65 ft the lens versatile focal range combined with its compact and lightweight build gives users the freedom to shoot handheld which is particularly useful in confined spaces and when s