The Sony Vario-Tessar T* FE 24-70mm F4 ZA OSS is a full-frame standard zoom for Sony FE E-mount cameras with Zeiss Vario-Tessar optics, T* anti-reflective coating, Optical SteadyShot, and a constant F4 aperture in a compact and affordable body. It features 14 elements in 11 groups and serves as the standard kit full-frame zoom for higher-end Alpha bodies. This lens is part of Sony's Zeiss-branded FE zoom lineup.