RF 50mm f/1.2L USM delivers a new kind of optical of performance in full-frame photography. Outstanding clarity and sharpness means youll see noticeably more detail, even right at the edges of the frame. The widest of wide apertures The f/1.2 maximum aperture of the RF 50mm f/1.2L USM is the widest available in the Canon EOS line-up. It gives both photographers and filmmakers the ability to shoot with extremely shallow depth of field a great way to emphasise a subject against a complicated background. Super sensitive in low light The ability to work with such wide apertures lets photographers use fast shutter speeds in low-light conditions, which can freeze both subject movement and camera shake. The RF 50mm f/1.2L USM is a great tool for capturing the atmosphere of any moment using only available light. Fast focusing A ring-type USM autofocus system, more usually found in Canons super telephoto lenses, moves the large glass elements found in the RF 50mm f/1.2L USM with ease. Sharp foc