Specifications
EFL (mm): 146
Dia: 28.5
CT: 2.7
MATERIAL: S-BSM16
ET: 1.5
BF: 141.5
R1: 34.03
V1H1: -2.8
R2: 52.76
V2H2: -4.4
D: 139.5
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: 587.1nm
All dimensions are in millimeters.