The Canon RF 70-200mm f/2.8L IS USM Z is a high-performance telephoto zoom lens for full-frame mirrorless cameras. The lens can be used for weddings, events, portraiture, studio work, and videos. It features a constant f/2.8 aperture for excellent low-light performance and smooth background blur, with fast autofocus via the Dual Nano USM system. The lens includes Optical Image Stabilization to reduce camera shake, a lockable iris ring for precise control, customizable L.Fn buttons and a function ring. It incorporates advanced optics to reduce flare and improve image quality. The fluorine coating resists dirt and water, and the weather-resistant construction ensures durability in various conditions. This lens offers internal zooming which the non-Z version does not.