This ultra-fast photo, a replacement member of Canon legendary L-series lenses, has whole new optics to supply higher image quality. It uses fluor and UD lens components for glorious optical aberration correction and consists of seventeen components in twelve teams. The constitutional Optical Image Stabilizer provides it up to four stops of stabilization correction. The inner USM and optimized AF algorithms end in quick and quiet autofocusing, and also the circular aperture will even manufacture lovely out-of-focus pictures. This ultra-high-performance lens additionally improves its sturdiness - higher dust- and water-proofing. The EF 200mm f/2L IS USM is outstanding for several available-light applications, together with indoor sports, theater work, fashion, and candids at events.