Specification
| Material |
N-BK7 |
| Diameter (Ø) |
30mm |
| Focal Length (EFL) |
250mm |
| Back Focal Length (BFL) |
248.28mm |
| Radius of Curvature (R) |
128.77mm |
| Center Thickness (Tc) |
2.6mm |
| Edge Thickness (Te) |
1.7mm |
| AR Coating |
Uncoated |
| |
 |
AR Coating is available, please contact with our services center email: unicehq@unice.com.tw
