Opteka 58mm Lens Adapter (Two-part) for Canon Powershot G10 & G11 Digital Camera Allows use of 58mm threaded lenses and filters Lightweight and small enough to fit into any camera accessories pouch Easily screws onto front of camera This adapter easily screws onto the front of the Canon G10 Digital Camera, allowing you to add 58mm lenses and filters. Very good fit both on the camera and the tele-converter.