The Canon EF 50mm f/1.2L USM is a high-performance, weather-resistant, prime L-series DSLR lens featuring an ultra-large aperture for a narrow depth of field and soft background blur. Super Spectra coatings ensure accurate colour balance and enhance contrast and the ultrasonic focusing give super-fast AF. A large maximum aperture of f/1.2 gives outstanding speed when shooting in low light. The EF 50mm f/1.2L USM is a peerless new standard lens featuring an ultra-large aperture for a narrow depth of field and soft background blur so loved by photographers everywhere. The EF 50mm f/1.2L USM is suitable for any shooting situation; its lens coating and construction are optimized to minimize the ghosting and flare that frequently occurs when lenses are used with digital cameras. This high-performance, weather-resistant lens delivers all the superb image resolution and contrast you expect in a Canon L Series Lens.