Specifications
EFL (mm): 200
Dia: 50.8
CT: 6
ET: 2.6
R1: 188.6
R2: -188.6
BF: 198
V1H1: 2
Specifications: Effective Focal Length (EFL): +- 1%
Diameter (DIA): +- .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 Wavelength: 546.1nm