The new Power Zoom Adapter PZ-E1 is a compact and lightweight accessory designed for the EF-S 18-135mm f/3. 5-5. 6 IS USM to enable smooth, fingertip zoom control when shooting movies, ideal for capturing professional-looking documentary footage, with the option to control via Wi-Fi. The Power Zoom Adapter PZ-E1 is a detachable accessory designed for use with the EF-S 18-135mm f/3. 5-5. 6 IS USM lens. It uses a zoom lever similar to those found on camcorders, allowing for incredibly smooth zooming that may be difficult to do manually. Remote control function is available using smartphones and computers when used with an EOS 80D camera and Canon Camera Connect software. Bundled with Protect Cover and Storage Case. 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