Substrate:B270 / Ikirahure kireremba
Ubworoherane buke:-0.1mm
Ubworoherane bwimbitse:± 0.05mm
TWD:PV <1 Lambda @ 632.8nm
Ubwiza bw'ubuso:40/20
Impande:Impamvu, 0.3mm max.Ubugari bwuzuye
Kuringaniza:<5 ”
Kugaragara neza:90%
Igifuniko:Inkwavu <0.5%@Gushushanya Uburebure, AOI = 10 °