Canon RF 1.4x ExtenderCanon RF 1. 4x Extender Extend your reach with a 1. 4x extender designed specifically for the RF lens system, maintaining image quality and high speed communication between the camera and lens. Extend your vision The Extender RF 1. 4x is the perfect choice for enthusiast and professional photographers seeking more magnification from their RF lenses. Boosting focal length by 1. 4x it is ideal for press, nature and sport photographers. More reach, no