Mark Cowan's had his problems with glass, pyrex and getting grinder tuned just right. Now he's going as he'd wanted.
Dave McNally has two mirrors done, now. SN0316A and SN0316B.
http://www.obsidianoptics.com/specs/SN0316A.htm
http://www.obsidianoptics.com/specs/SN0316B.htm
Show me a 14" better than that 1/22.1 SN0316A.... ;^)
My 16" is in polishing now. Looking forward to the spec's on this one. SN0319.
Dave McNally has two mirrors done, now. SN0316A and SN0316B.
http://www.obsidianoptics.com/specs/SN0316A.htm
http://www.obsidianoptics.com/specs/SN0316B.htm
Show me a 14" better than that 1/22.1 SN0316A.... ;^)
My 16" is in polishing now. Looking forward to the spec's on this one. SN0319.
