The stellar combination of superlative optics, astonishing performance and good construction, the EF 400mm f/2.8L IS II USM super photo is that the professional's alternative for an extended lens, and excellent for nature and life photography. Over twenty eighth lighter than its forerunner and currently the lightest lens in its category, the EF 400mm f/2.8L IS II USM options mineral optics that deliver sharpy pictures with less aberration, a very redesigned Image Stabilization system that gives up to four further stops of performance, a newly-developed element coating that keeps soilure, smears and fingerprints to a minimum, and new construction in line with solely the simplest that Canon should provide. With a 3rd Image Stabilization mode (Mode 3) that activates is merely once the shutter button is totally ironed, and giving the equivalent impact of a shutter speed four stops quicker, the EF 400mm f/2.8L IS II USM permits for straightforward panning and is ideally positioned for skilled action photography. With a brand new security slot for wire-type security locks, buttons and switches square measure redesigned for intuitive, deliberate operation, and mud and water waterproofing keeps the lens functioning cleanly in even the foremost difficult environments.