Specifications
EFL (mm): -25
Dia: 12
CT: 1.5
ET: 3.2
R1: -11.5
R2: Plano
BF: -26
V1H1: 0
V2H2: -1
Specifications: Effective Focal Length (EFL): +/-1%
Diameter (DIA): +0/-.18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/-.25
Cosmetics: 60/40
Surface Quality: 2 ½ x ½ waves @ 546.1nm
Centering Accuracy: 2 arc minutes TIA
Designed Waveleng