Answering the demand for an internally zooming, internal focus F2.8 telephoto zoom lens, Canon engineers listened to the market and delivered. Whether you are a sports photographer shooting against the glass at a hockey game, or balancing a camera and lens on a gimbal for a video production this 70-200 will definitely be a professionals ""must have"" in their kit.Compact internal zoomWith its ultra-responsive internal zoom mechanism, this 70-200mm lens makes changing focal lengths a breeze.Precision manual iris controlFeaturing a dedicated, lockable manual iris ring, this lens offers precise control over aperture settings.Whisper-quiet autofocusEquipped with two Nano Usm motors, the lens provides fast but silent autofocus that's fantastic for video.Customizable function buttonsWith two programmable lens function buttons and a control ring, you get next-level customization.Built tough for any environmentCrafted to Canon's legendary L-Series durability standards, it stands up to dust, moisture, and all kinds of conditions.Compatible with power zoom adaptersFor adjustable zoom during video shoots, this lens is compatible with Canon's Power Zoom Adapters Pz-E2 and Pz-E2B.Focus breathing controlThis lens minimizes focus breathing to give you smooth and stable focus transitions.Air Sphere CoatingCanon's Asc reduces ghosting and flare, delivering stunning contrast and clarity.The ultimate hybrid telephoto zoomBlending advanced optics, video-friendly features, and user-focused control, the RF70-200mm f/2.8 is the go-to lens for pros..