Specification for lenses (Cylindrical Lenses)
Material: BK7 , Fused Silica,ZnSe,etc.
Design Wavelength:1064nm ,755nm,532nm,10.6μm,etc.
Design Index: 1.5183 ±0.0005 (1.5147 for Cylindrical lenses)
Flatness: l/4@632.8nm (x: l/2; y: 2l for Cylindrical lenses)
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length:±2%
Center tolerance: 3 arc minutes
Clear Aperture: >80%
Surface Quality: 60-40 scratch and dig
Bevel: 0.25 mm x 45°