Constructed with 8 elements in 7 groups, the Canon EF 85mm lens renders incredible images with stunning clarity. The Super Spectra lens coatings on this Canon f/1.2 lens reduce the flare and ghost in the images and renders optimum color balance. The ring USM of this camera lens uses ultrasonic frequency vibrations for rapid focus with minimum noise. Featuring a 9-bladed aperture, this Canon f/1.2 lens renders excellent background blur for perfect focus on the subject. With 3.2 feet as the closest focusing distance, this camera lens captures the minutest details of your subject. The 72 mm filter size of the Canon EF 85mm protects it from moisture and dust.