Matt Terry wrote: > > A couple of quick questions: How many folks have made sub f/4 > smallish mirrors? I have a friend who has an 8" f/3.7 scope with homemade optics. The man who made the mirror, unfortunately, passed away, so I can't comment on his problems making it, but I do know the mirror has an exceptional figure, except for a 1/4" turned edge. -- Mike Lindner