Specifications
EFL (mm): 88
Dia: 50.8
CT: 9.2
ET: 1.1
R1: 81.9
R2: -81.9
BF: 85
V1H1: 3
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