Ultra wide angle, bright Samyang 16mm f/2.0 ED AS UMC CS lens is intended for digital reflex cameras & mirrorless compact cameras fitted with APS-C sensor. The lens has been designed with an extreme care for details. Its optics comprise of 13 elements arranged in 11 groups, including one ED element with very low dispersion factor, aspherical element made from optical glass & hybrid-aspherical element. The lenses have been covered with multi-layered anti-reflective UMC coatings to ensure perfect light transmission. The lens is an ideal tool for all photography fans as it provides strong casing combined with high quality of workmanship & optics.