|
This is an Umicore Optical Grade Germanium Lens Blank, part no. 9569-002-P.M., it's 18 mm in diameter, and at the edge is 4.5mm thick, it weighs 6.8 grams. This is new, very useful for experiments, lens fabricating, your mineral collection, etc.
(please look at our rules and privacy policy) |
l.zimmerman@machine--tools.com (Lilia Zimmerman) for additional information. This email is used for forwarding to newsgroup user.
