Specifications
EFL (mm): 19
Dia: 12.7
CT: 3.8
ET: 1.1
R1: 8.71
R2: Plano
BF: 16.4
V2H2: -2.6
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
V1H1= 0
All dimensions are in millimeters.