Specifications
EFL (mm): 102.7
Dia: 39
CT: 11.4
MATERIAL: PYREX
ET: 5.5
BF: 86.7
R1: 23.56
V1H1: -9.8
R2: 38.54
V2H2: -16
D: 82.2
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: 587.1nm
All dimensions are in millimeters.