Specifications
EFL (mm): 13
Dia: 5
D: 12.8
CT: 1.4
ET: 0.9
Material: S-NSL5
R1: 13.35
R2: -13.35
BF: 12.6
V1H1: 0.4
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: 546.1nm
All dimensions are in millimeters.