• Sigma USA Authorized Dealer • Designed for APS-C format Sony E-mount mirrorless cameras, the versatile standard prime 30mm lens is designed to provide a 45mm equivalent focal length. • AF motor step benefits both photographers and videographers with fast, accurate and almost quiet performance. • One aspherical element and one side aspherical element control spherical aberration and distortion range, improving clarity and resolution. • The super multilayer coating is applied to lens elements to minimize lens flare and ghosting, creating a neutral image with contrast strich even in backlight conditions.