Canon RF 50mm Lens The 50mm prime is a staple lens in every photographers arsenal, which is why the RF 50mm f/1.2 L USM is an integral part of Canons new EOS R full-frame mirrorless system. Designed to deliver tack-sharp results even in low-light situations, this 50mm lens has a large maximum aperture of f/1.2 for increased light-gathering power and stunning bokeh, as well as a ring-type USM AF system for fast and ultra-precise focusing. Like the other core lenses of the EOS R system, it features a tactile control ring near the front of the lens that allows you to adjust exposure settings such as shutter speed and aperture without taking your eye off the electronic viewfinder. Also, the new RF lens mount design enables a shorter distance between the rear element and the camera sensor for enhanced optical performance. The RF 50mm f/1.2 L USM gives you amazing image clarity and a wealth of detail even in the corners or the edges of the frame, plus it has a minimum focusing distance of roughly 15 inchesmaking it a great choice for a variety of applications, including portraiture, street shooting, and fine art photography. With a large 54mm lens mount, large diameter elements to match and placement closer to the image plane, RF lenses provide brilliant image quality edge-to-edge with minimal light fallout, enabling new possibilities for enhanced optics and compact designs. A supercharged 12 pin communication system optimizes data transfer between camera and lens for sharp, stable and responsive performance in a wide variety of applications.Delivering features and performance engineered to astound, RF optics herald a new day in Canons legacy of optical brilliance. A new frontier in lens design for mirrorless cameras! NEW LENS DESIGNS WITH STELLAR IMAGE QUALITY Control Ring All RF lenses incorporate a control ring on the lens barrel that can directly adjust numerous settings including shutter speed, aperture, exposure compensation and more. Located towards the front of the lens and effectively adding a third dial to the EOS R cameras main dial and quick control dial, the control ring has a tactile, easily distinguished surface and features a clicking mechanism that provides tangible feedback for confident use while looking through the viewfinder INNOVATIVE OPERABILITY Lens Information Display Another helpful feature, the EOS R camera can display lens information right in the viewfinder, making it easy to confirm the lenss focal length without looking away from the subject at hand. Lens Information Display RELIABLE IMAGE STABILIZATION TECHNOLOGY Optical Image Stabilization Select RF lenses feature optical image stabilization technology thats designed to work in conjunction with the EOS R camera. Both the camera and the lens share data to dramatically reduce camera-shake blur, regardless of the situation and whether shooting video or stills, to deliver impressively clear results. Optical Image Stabilization BRIGHT AND SHARP F/1.2 APERTURE RF 50mm F1.2 L USM The RF 50mm F1.2 L USM lens delivers gorgeous images in a large variety of situations. Designed specifically for the EOS R system, its f/1.2 aperture means amazing performance in low light and gorgeous, detailed images with evocative background blur.