The ROKINON AF 18mm F2.8 Full Frame Lens for Sony E mount is optimised for portability, compactness, and ergonomic handling. It is ROKINON‘s fourth compact lens designed specifically for Sony mirrorless cameras which are surprisingly capable for their size. At 5.12oz in weight and 1.99” in length, it is the most compact, lightweight, and affordable super-wide angle full frame lens for Sony E mount.