> > us are already familiar. As well, I need them to have a diameter of 24 > > or 25 millimeters. > > aha! ... sorry about that ... I failed to notice you needed them a specific > diameter. Depends on what you want to pay for them I guess. Opticians should be > able to cut/grind to specs, no? > I may ask of they could cut or grind the larger sizes down. Maybe I could do it myself, with the help of Mr. Dremel. Then, again, maybe that is not a good idea for someone who is "not to be trusted with tools," as my girlfriend puts it. Nathan Prichard