I remember a long time ago when Ceraform mirrors were going to be the next big thing in lightweight optics. I wonder whatever became of them. That was back when people got on the internet via Genie and Compuserve.
I still lug around my 14.5” full thickness Pyrex Newt, and have no complaints. :)
More here about carbon nanotube optical mirrors:
http://astronomicaltelescopes.spiedigitallibrary.org/article.aspx?articleid=1930779