Quote:
Originally Posted by tornado33
Hi
After a great talk on Telescope Making at the Newcastle Astro Society meeting last night, I
found this company that makes super lightweight but stiff telescope mirror blanks
http://www.hextek.com/
A big lotto win would see me getting one in short order 
Scott |
Yes Denis knows his stuff. It was a good talk I thoroughly enjoyed it.
I'm just wondering if these hollow mirrors are as good as solid Pyrex mirrors?