Power Zoom Adapter for smooth movie zoom control with the newEF-S 18-135mm f3.5-5.6 IS USM lens. A compact and lightweight Power Zoom Adapter that gives you smooth, fingertip zoom control when shooting movies. Ideal for capturing professional-looking news and documentary footage. Key Features: Compact and portable Power Zoom Adapter, High quality smooth zoom when shooting movies, Ideal for dramatic news and documentary shooting, Wi-Fi remote control of zoom via Canon Camera Connect app, Easily adjustable zoom speed for optimum control. Compatible lenses: EF-S 18 mm-135 mm f/3.5-5.6 IS USM.