Specifications
EFL (mm): -25
Dia: 25.4
CT: 2.5
ET: 10
R1: -23.391
R2: 23.391
BF: -25.8
V1H1: 0.8
V2H2: -0.8
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: 546.1nm
All dimensions are in millimeters.