RainbowImaging 58mm Filter Adapter Tube (Auto Zoom) for Canon G15 replaces FA-DC58D, no vignetting 100% compatible with Canon FA-DC58D, and Canon G15 Designed to move along with the lens while zooming, preventing vignetting at the wide-angle end of the zoom. No vignetting, other filter adapter might cause vignetting to Camera Provides filter coverage throughout the full optical zoom range of the lens Allows you to add filter, lens hood & Canon TC-DC58D telephoto conversion lens (1.4x) to the Canon digital camera