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Old 19-05-2015, 04:39 PM
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alocky (Andrew lockwood)
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alocky is offline
Join Date: Aug 2010
Location: perth australia
Posts: 1,287
Originally Posted by Bassnut View Post
My RC has Zerodur mirrors made of "lithium aluminosilicate glass-ceramic", gaud knows what that is, but it sounds fantastic!!.

I focus once every 2 weeks or so which is convienient but not really a critical feature. I wouldnt mind having to focus every night, its not hard.
Thanks Fred - I think economy will win out! The scopes look like there should be very little expansion anyway, so it will be interesting too see how they compare in practice. That does sound very cool though :-)
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