Sinar 30mm recessed lens board Compur # 00 26.4mm hole new This lens board is 3d printed, there are some marks do to the 3d printing process. The material use is PET Copolymer, 3 time stronger than ABS. It's a high quality material made in Italy with excellent mechanical property and temperature resistance (see the specs in the pictures). With normal use it is going to last a lifetime. For any question please contact me.
eBay