[ATM] Burrows's RC Secondary was Re: Polishing / Figuring Simulator

["James Lerch" <jlerch1@tampabay.rr.com>]

----- Original Message ----- 
From: "Jim Burrows" <burrjaw@earthlink.net>

> The current effort is figuring an RC cass secondary to match a primary -
> quite difficult because the target surface has both fixed radius of
> curvature R and conic constant b.

Now there's an understatement! :)

As a curious aside, what testing approach(s) did you choose for this convex 
aspheric surface?

Take Care,
James Lerch
http://lerch.no-ip.com/atm (My telescope construction,testing, and coating site)
http://lerch.no-ip.com/ChangFa_Gen (My 15KW generator project) 

_______________________________________________
ATM mailing list http://www.atmlist.net/