Specification
Material |
N-BK7 |
Diameter (Ø) |
25.4mm |
Focal Length (EFL) |
400mm |
Back Focal Length (BFL) |
398.42mm |
Radius of Curvature (R) |
206.04mm |
Center Thickness (Tc) |
2.4mm |
Edge Thickness (Te) |
2.0mm |
AR Coating |
Uncoated |
|
 |
AR Coating is available, please contact with our services center email: unicehq@unice.com.tw