Specifications
EFL (mm): 25
Dia: 12.7
D: 24.4
CT: 3.6
ET: 2
Material: BK7
R1: 25.13
R2: -25.13
BF: 23.6
V1H1: 1.2
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.