Specifications
EFL (mm): 24.8
Dia: 14
CT: 3
MATERIAL: S-TIH11
ET: 1.5
BF: 22.3
R1: 13.04
V1H1: -0.9
R2: 34.81
V2H2: -2.5
D: 21.8
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.