Wide range of blanks available.
Mirror blanks now available from 4 1/4" to 30". Want to grind your own? Let me know your size range, and I will give you the options, prices and substrates available.
Photos: #1) RAC (Raymond) 18"f3.3 mirror, [Ronchi gram], (PV wavefront 1/30 lambda, 0.995 Strehl),[from one of these blanks]. #2) 4 1/4" pyrex blank, #3) 30" stress free plate glass. (Actually this is a pic of my 33"f4 ready for polishing).
Also I can supply grits and cerium oxide at reasonable prices.
Stephen.
Last edited by sopticals; 06-05-2015 at 03:50 PM.
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