Canon PZ-E1 Power Zoom Adapter Canon PZ-E1 Power Zoom Adapter is designed to provide an electronic zooming control that is compatible with EF-S 18-135mm IS USM lens. You can simply attach the lens by its integrated locking mechanism. It has a smoother zoom movement for videos and is equipped with a speed settings switch. Compatible with EF-S 18-135mm f/3.5-5.6 IS USM. Wi-Fi remote control of zoom via Canon Camera Connect app Ideal for dramatic news and documentary shooting. 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.