ALUMINUM COATING FOR OPTICS AND TELESCOPE MIRRORS Price List and Shipping Coating Care Events and Links Questions? telescope mirror coating We have coated many amateur telescope mirrors for John Dobson of the Sidewalk Astronomers and for the Telescope Makers Workshop at the Chabot Space and Science Center in Oakland. We do some commercial coating now and then. Our coating is aluminum with silicon monoxide over-coating.  In the last year more than half our work has been re-coating old telescope mirrors.  Building a Telescope  The program includes mirror testing methods, basic optics and wave theory of optics. The program is supplied on a CD disk which can be browsed with the Safari Browser, the Microsoft Internet Explorer, the Firefox Browser or any general purpose browser.  Telescope making C/D, including mailing, $5.   ALUMINUM COATING 807 Rutherdale Ave San Carlos, Ca. 94070 3733 alcoat@comcast.net  Coating Status There is currently a 3 day backlog of work here, August 21, 2017. Four to five days for de-coat then coat.