Specifications
EFL (mm): 26
Dia: 12.7
D: 25.9
CT: 2.8
ET: 1
R1: 23.4
R2: -23.4
BF: 25
V1H1: 1
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.