Quote:
Originally Posted by Rac
If you want a good 10" f4 mirror then look at a Royce conical. No mirror cell and super stable. I use one with a Televue Paracorr 2.
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I want to try a sandwich mirror which is not available from Royce -
see here:
http://www.iceinspace.com.au/forum/s...d.php?t=129366
cheers
Allan