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f/6.3 reducer in focus

Started by J.P. McBride, 12/28/2008 01:38AM
Posted 12/28/2008 01:38AM Opening Post
Hi, I am thinking about having a f/6.3 reducer modified to fit a 2" drawtube for a f/8 refractor. I know I will need to have some IN focus but does anybody know how much?

thanks

Joe