Specification
| Material |
N-BK7 |
| Focal Length (EFL) |
-20mm |
| Size (LxH) |
17x15mm |
| Radius of Curvature (R) |
-10.34mm |
| Center Thickness (Tc) |
2.0mm |
| Edge Thickness (Te) |
4.7mm |
| Back Focal Length (BFL) |
-21.32mm |
| AR Coating |
Uncoated |
| |
  |
AR Coating is available, please contact with our services center email: unicehq@unice.com.tw
