Rokinon 85mm f/1.4 Aspherical IF is an ultra fast portrait full frame manual focus prime lens. This lens employs internal focusing system technology to prevent the lens from extending on its own. This lens employs electronic contacts for transferring exposure information to the camera. Offering hybrid aspherical elements and multi-coating for stunning, sharp and detailed images while reducing flare and ghosting. This lens features nine elements in seven groups, eight aperture blades, 1 meter close focusing distance and 72mm filter thread.