The Canon EF 70-200mm f/2.8L IS II USM Telephoto Zoom Lens increases the speed, performance and optical quality of the EF 70-200 f/2.8L IS USM while maintaining all of the characteristics that have made it a legend for professionals and advanced amateurs alike. This lens features one fluorite and five UD elements for increased optical quality and reduced chromatic aberration. It has a minimum focusing distance of 1.2m/3.9 ft. at all zoom settings, which is useful for photographers in smaller spaces trying to get closer to a subject. A next-generation Optical Image Stabilizer, provides up to 4 stops of correction at all focal lengths. Plus the EF 70-200mm f/2.8L IS II USM is dust- and moisture-resistant and designed for use in the challenging environments typical of rigorous professional use. From the Manufacturer Canon EF 70-200mm f/2.8L IS II USM Telephoto Zoom Lens Features & details 70-200 mm focal length and 1:2.8 maximum aperture Lens construction consists of 23 elements in 19 groups (1 fluorite and 5 UD elements) 34-Degree - 12-Degree diagonal angle of view Inner focusing system with USM and full-time manual focus option 77 mm filter size. Extenders Compatible