Sony Sonnar T* FE 55mm f/1.8 ZA LensSony's Sonnar T* FE 55mm f 1. 8 ZA Lens is a standard focal length prime lens that features a fast aperture in a compact, streamlined design. Offering a 82. 5mm comparable APS C focal length, its f 1. 8 aperture is bright and quick, which allows you to capture more light and confidently shoot in dimly lit or tough lighting conditions. Sony applied a Carl Zeiss T* anti reflective coating. This works to combat the effects of ghosting and flares and