Rokinon 8mm T3.8 AS IF MC CSII DH Cine Fisheye Lens with Removable Hood for Olympus and Panasonic Micro 4/3 (MFT) Mount Digital Cameras (RKHD8MV-MFT) Follow focus compatible gears; declicked aperture range of t3.8-22 10 Elements in 7 groups (1 spherical lens) Minimum focusing distance of 12 Inches Removable hood allows for full 180 Degree views Features improved HD optics for sharper images