From: "Bob May" 
To: "atmlist" 
Reply-To: "Bob May" 


I guess that I have assumed that the primary was a sphere as they aren't
easy to do any collimation on yet they stay in collimation without any real
problem.  An F4 scope would be a bit touchy in collimation otherwise.  Thus
the assumption that it is a Schmidt Newt. Bob May
http://nav.to/bobmay
bobmay{at}nethere.com
NEW! http://bobmay.astronomy.net

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