"One of the zoom trinity lens favoured by photographers across genres, RF70-200mm f/2.8L IS USM made a leap forward in its design--made possible with RF mount. Designed approximately 27% shorter and 28% lighter comparing to EF70-200mm f/2.8L IS III USM, providing mobility and to reduce the burden for prolonged use. With it's Image Stabilization of up to 5 shutter speed stops, RF70-200mm f/2.8L IS USM ensures sharp images in dimly lit situations. Stellar clarity across the focal length to shoot action packed sports or delivering beautiful bokeh suitable for portraits with its large aperture. Unique to RF lenses, the additional control ring on the barrel of RF15-35mm f/2.8L IS USM that could be customised to control exposure settings; providing a more intuitive control especially while shooting. Filter Size: 77mm Image Stabilisation of up to 5 stops Electronic floating focus control with 2 Nano USM Additional Control Ring Dust and Drip Resistant "