Rokinon HD8M-NEX 8mm f/3.5 HD Fisheye Lens with Removable Hood for Sony E-Mount DSLR Manual focus; Aperture range of F3.5-22 10 Elements in 7 groups (1 spherical lens) Minimum focusing distance of 1-Feet (12-Inch) Removable hood allows for full 180 Degree views Features improved HD optics for the sharper images Lens not Zoomable