Canon EF 24mm f/1.4L II USM wide angle lens (Canon p/n 2750B005AA) The Canon EF 24mm f1.4L II USM lens is a fast aperture prime lens that replaces EF 24mm f1.4L USM. Featuring UD and aspherical elements to eliminate distortion and aberrations, it produces high-quality wide-angle images and is ideal for both portraiture and landscapes. Canon EF 24mm f1.4L II USM lens has wear and dust seals, making it ideal for location photography, and benefits from Canon's fast, quiet USM autofocus system. Key Features: Fast f/1.4 aperture Aspherical and UD lens elements for correction of chromatic aberration Sub Wavelength structure Coating (SWC) to dramatically reduce ghosting and flare Circular aperture for creative blurred highlights USM for full-time manual focus Lead-free glass (RoHS compliance) Lens hood and pouch supplied Fast Aperture The Canon EF 24mm f1.4L II USM lens offers a quick, super-large maximum aperture of f/1.4 which delivers excellent low-light performance. The circular aperture gives users the potential for creative out-of-focus highlights. The lens has a focal length of 24mm and a USM focus motor with a full-time manual focus, making it ideal for shooting situations where a wide-angle, high-performance lens is required. Advanced Lens Coating Canon have reduced the flare and ghosting caused by reflections off the digital camera's sensor on the EF 24mm f1.4L II USM lens, by treating the inside of the lens' front element with their Sub Wavelength structure Coating. The coating has been developed specifically to work with Canon optics and deliver crisp, undistorted images. Robust Build Despite weighing in at a discreet 650g, the Canon EF 24mm f1.4L II USM lens has been designed to withstand the pressures of even the toughest type of shooting environment. Combined with Canon's advanced weather sealing and dust sealing technology, the EF 24mm f1.4L IS USM lens is perfect for photojournalists and landscape photographers.