The ultimate ânormalâ lens in the EF system. This superb lens is sharp even wide open, and of course its f1.4 speed makes it perfect for available-light shooting. For many, itâs an ideal lens to accompany a zoom when shooting in low-light conditions.
The EF 100-400mm f4.5-5.6L IS USM is Canon's fourth Image Stabilizer lens. It is a high-performance L-series telephoto zoom lens offering sophisticated features and high image quality which is to succeed the existing EF 100-300mm f5.6L lens.