A medium telephoto L-series prime, the Canon EF 200mm f/2.8L II USM combines a flexible focal length with a modestly bright maximum aperture to realize a relatively compact and lightweight design well-suited for sports and portraiture applications. Its advanced optical design incorporates a pair of ultra-low dispersion glass elements to greatly reduce color fringing and chromatic aberrations in order to realize notable clarity and color accuracy, and a Super Spectra coating also helps to increase contrast when working in harsh lighting conditions. Benefitting the optics, a ring-type USM is employed, too, to deliver quick and quiet autofocus performance along with full-time manual focus control.