See an example of how well this glass works. View Rac (Raymond's) posts, on ATM forum. His 18" f3.3 mirror being worked at the moment. Plate glass is very easy to work and can be made into an excellent optic.
I have this size and other sized blanks available. Please ask.
Stephen
Last edited by sopticals; 18-03-2015 at 08:23 AM.
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