Rokinon CV85M-C 85mm t/1.5 Aspherical Lens for Canon with De-Clicked Aperture and Follow Focus Compatibility Fixed Lens Features the same outstanding quality as our Rokinon 85mm f/1.4 lens Features De-clicked aperture to reduce noise and jerking motions, Aperture range t/1.5- t/22 Internal focusing mitigates lens breathing Lens is follow focus compatible to enable the user to focus and use the aperture ring without interrupting video shooting minimum focusing distance 3.6-Feet Lens not zoomable Lens not zoomable