<font size="2" face="Verdana, Arial">http://www.poc.com/hgram/index.htmOriginally posted by McGizmo:
....I confirmed during a nice dinner get together with PK last night that the SF beamshapers are in fact LSD film from Physical Optics Corps. That stuff is a couple hundred bucks a square foot and almost 90% efficient in passing the light through. These are NOT just frosted lexan as has been stated elsewhere...