Mkpụrụ:B270/N-BK7/H-K9L
Nkwenye akụkụ:-0.1 mm
Nkwekọrịta Ọkpụrụkpụ:± 0.05mm
Ọdịmma dị n'elu:3 (1) @ 632.8nm
Ogo elu:20/10
Ogologo ahịrị:Opekempe 0.003mm
N'ọnụ:Ala, 0.3mm max. Bevel obosara zuru oke
Kpochapụ oghere:90%
Nyiri:<30
Mkpuchi:Otu oyi akwa mgF2, Ravg<1.5% @Ere ogologo ogologo
Ahịrị/Ntụpọ/Ọgụgụ: Cr ma ọ bụ Cr2O3