Lens Specifications
Design Wavelength655 nmMagnificationInfinite
Numerical Aperture0.53Window Thickness0.275 mm
Clear Aperture4.89 mmLaser Window Material / IndexN-BK7/1.5
Effective Focal Length4.6 mmGlassH-LAK54
Working Distance2.70 mmSurface Quality60-40 Scratch-Dig(Entire Bulk Material)
A390-BAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)
A390TM-BAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)

Vd number51.05
CTE (10-6 / °C)5.2
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)6.7

Surface
R(mm)
k
A4
A6
A8
A10
ASP(1)
42.19
-
-
-
-
-
ASP(2)
-3.5
-0.3366
0.000849
4.777e-005
0.000004959
-0.000000003374
Side 1 and Side 2 are labeled as ASP1 and ASP2, respectively, on the drawings shown on the Specifications tab.
zSAG as a Function of YA44th Order Aspheric Coefficient
RRadius of CurvatureA66th Order Aspheric Coefficient
kConic ConstantA88th Order Aspheric Coefficient
A22nd Order Aspheric CoefficientAnnth Order Aspheric Coefficient