Specifications
EFL (mm): 93
Dia: 44.5
CT: 7.8
MATERIAL: B270
ET: 2.2
BF: 86.3
R1: 41.13
V1H1: -1
R2: 254
V2H2: -6
D: 85.3
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.