Thread: [SOLD] * Price Drop* BORG 76ED APO plus Extra's
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  #6  
Old 07-01-2013, 06:15 PM
Jethro777 (Jethro)
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Jethro777 is offline 		 
Join Date: Oct 2012
Location: Brisbane
Posts: 131
The only information I can provide is that it is a M57 Helical Focuser. My money is on the 7857, though I can't be sure, as I just don't know how to tell the difference - If you provide further information on where to look, how to tell, I will provide you with that information.
Last edited by Jethro777; 07-01-2013 at 07:27 PM.