Made of silver anodized aluminum the unique lens adapter provides a 37mm filter mount for adding effects filters to the Panasonic DMC-LX7 and Leica D-Lux6 Digital Camera, improving picture quality by adding a filter(UV, CPL etc.) and protecting your camera lens from scratching. The adapter also allows user to add other lens accessories (as tele/close-up/wide-angle lenses) to the camera. Vignetting might be caused at the widest zoom.