Specifications
EFL (mm): 20
Length: 10
Width (mm): 10
CT: 3.3
ET: 2
R1: 10.29
BF: 17.7
V1H1: 0
V2H2: -2.3
Specifications: Effective Focal Length (EFL): +- 2%
Length: +- .1
Width: +- .14
Center Thickness (CT): +- .5
Cosmetics: 60/40
Surface Quality: Plano surface l/4 per 10mm diameter,
cylindrical surface l/2 in width direction and l/4 per
centimeter in length direction at 546.1nm.
Centration: < 3 arc minutes
Designed Wavelength: 587.6nm