Specifications
EFL (mm): 45
Dia: 38
D: 45.7
CT: 10.4
ET: 2
Material: BK7
R1: 44.84
R2: -44.84
BF: 41.4
V1H1: 3.6
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: 546.1nm
All dimensions are in millimeters.