Lens Specifications
Design Wavelength780 nmMagnificationInfinite
Numerical Aperture0.15Window Thickness0.25 mm
Clear Aperture5.50 mmLaser Window Material / IndexN-BK7/1.517
Effective Focal Length18.40 mmGlassD-ZK3
Working Distance15.86 mmSurface Quality40-20 Scratch-Dig(Entire Bulk Material)

354280-CAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)
C280TMD-CAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)

Vd number60.71
CTE (10-6 / °C)7.6
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)3.2

Surface
R(mm)
k
A2
A4
A6
A8
A10
Side 1
PLANO
-
-
-
-
-
-
Side 2
10.667684
-0.686129
-
1.038298E-5
-
-
-
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