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Any interest in two 150mm diameter 1/8 wave optical flats?

Posted: Sat Sep 22, 2012 11:02 pm
by Merlin66
These may be of interest to someone considering a cleostat/ heliostat/ siderostat.
Polished flat to better than 1/8 wave, aluminium coated from a substrate of 25mm BK7.
Available ex-Europe.
Any interest let me know.