Panasonic DMW-LA7 Conversion Lens Adapter for DMW-LT55, DMW-LC55 Lens Panasonic 1 Year Warranty Compatibility: Panasonic DMW-LT55 and DMW-LC55 Conversion Lens Front Mount Diameter: 55 mm Length: 2.8" (71.12 mm) Weight: 4.3 oz (122 g)