The above video from Canon shows off its new RF lens technology and what makes it so great. The Canon RF mount, as found in the Canon EOS R, provides a shorter flange distance and results in larger rear lens elements to produce an image on the full-frame sensor. The RF mount also provides faster and more in-depth communication between the camera and lens thanks to the 12-pin communication system. Canon’s RF Lens Tech video highlights some of the more specific features and benefits that a larger element with a shorter flange distant offers.