Canon CN E L Cinema Prime 3 Lens EF Mount Kit (14, 85, 135mm) Lavalier Microphone Accessories Its optimized algorithm and powerful Its optimized algorithm and powerful motor ensure a smooth motion that eliminates shake The Sigma TC 2001 2x Teleconverter multiplies the focal length of Nikon mount lenses by 2 while still retaining full communication to enable autofocus to operate on compatible lenses at f 8 This Canon CN E L Cinema Prime 3 Lens EF Mount Kit consists of a carefully selected variety of Canon CN E L Cinema Prime (EF Mount) lenses to cover a variety of shooting scenes to and Super 35 sized sensors and they cover edge to edge sharpness and brightness