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  #2  
Old 12-03-2010, 11:47 PM
Sam Insana Sam Insana is offline
PAS Member
 
Join Date: Jun 2008
Location: I live in Central Phoenix near 20th St and Bethany Home Road.
Posts: 97
Default Prime focus

I have an 8 inch newtonian reflector, an F6, with a focal length of 1200 mm, and there are two sets of screws to move the mirror. It is a 4 cm move on my scope to get to prime focus. Take care, Sam Insana
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