Specifications
EFL (mm): 50
Dia: 25.4
CT: 5.4
ET: 1.6
R1: 22.92
R2: Plano
BF: 46.3
V2H2: -3.7
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 1/2 x 1/2 waves @ 546.1nm
Centering Accuracy: 2 arc minutes TIA
Designed Wavelength: 546.1nm
V1H1= 0
All dimensions are in millimeters.