Specifications
EFL (mm): -30
Dia: 20
V2H2: -0.7
CT: 2
D: 32.2
ET: 5.1
Material: BK7
R1: -31.46
R2: 31.46
BF: -30.7
V1H1: 0.7
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.