Specifications
EFL (mm): 100
Dia: 50.8
CT: 8.7
MATERIAL: BK 7
ET: 1.9
BF: 93.1
R1: 47.83
V1H1: -0.5
R2: 667.4
V2H2: -6.1
D: 92.6
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.