Sony Alpha

This large aperture F2.8 lens has an angle of view of 114 and it makes high quality images a reality. This large aperture lens offers an outstanding cost performance and has an angle of view of 114. Equipped with SLD lens glasses and aspherical lenses for high image quality 2 elements of aspherical lenses and 2 elements of SLD glass is being used to compensate aberrations and vignetting. It has minimum focusing distance is 18cm(7.1in.), and maximum magnification ratio of 1: 4.5.The HSM models for Sigma, Nikon and Canon mount provide ultra quiet high-speed autofocusing as well as full-time manual focus override. An inner focus system provides high performance and convenience. The lens also incorporates a built-in lens hood and a gelatin filter holder behind the rear lens element.