Is this correct?

[randb]

Say I have a 200mm scope with a FL of 2000 mm (F ratio of 10). I get a 20 mm EP. The magnification would be 100. If I use a f/6.3 focal reducer, and use the same EP, would the magnification be 63?

Thanks for the help guys.

[Dave Mitsky]

Yes.

http://www.astrosurf.com/benschop/Barlows_and_FocalReducers.htm

Dave Mitsky