*New RF mount is now available. In stock. Ship in 3 business days. Free Worldwide Expedited Shipping is included for this lens. The new 12mm lens is currently the widest t/2.9 lens that can cover sensor up to both full frame & vista vision size (wider than full frame), making it one of the ideal wide angle option for both professional cinema cameras and mirrorless cameras. Features - Full Frame / Vista Vision coverage - Close to zero distortion (Zero-D) - 122 degrees AoV - Super Compact - EF / PL / E / RF mount available - Step-up to 114mm for matte box installation