The Canon RF 600mm f/11 IS STM is a lightweight and compact super-telephoto lens which can handle any long-reach photographic situation. It features rapid and responsive AF as well as 5-stop stabilisation, all in a compact design. A great choice for wildlife and sports photographers who are looking for an affordable lens with superb image quality. Superior Detail and Image Quality Internally, the lens features 10 elements in 7 groups with Gapless dual-layered diffractive optic (DO lens) and delivers an excellent edge to edge sharpness across the entire image. High-speed and responsive Auto Focus The lens employs a Stepping Motor (STM) focusing system which delivers smooth and quiet AF while shooting fast-moving subjects. It allows you to capture quick moments that ass by high speed and precision. Control ring unique to the RF lenses The RF 600mm f/11 IS STM features a customisable control ring with the ability to assign shutter speed, ISO or exposure compensation settings in order to create a fast and intuitive shooting experience. Newly designed barrel lens The lens barrel is equipped with a leather grain finish which is perfect for handling, preventing slippage, fingerprint smudges, and scratches. Compact and lightweight design For a lens of this class, at just 930g in weight with a length of 199.5mm (when retracted), the Canon RF 600mm f/11 IS STM is incredibly light and compact.