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Lens Specifications

Design Wavelength	670 nm	Magnification	Infinite
Numerical Aperture	0.47	Window Thickness	0.25 mm
Clear Aperture	3.52 mm	Laser Window Material / Index	N-BK7/1.5
Effective Focal Length	3.3 mm	Glass	N-SF57
Working Distance	1.94 mm	Surface Quality	40-20 Scratch-Dig(Entire Bulk Material)

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A414-B
A414TM-A

Vd number	23.75
CTE (10-6 / °C)	8.46
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)	0.9

Surface R(mm) k A4 A6 A8 A10	ASP(1) -4.37 -0.737599000 0.002925900 0.000279387 0.000024619 -0.000008259	ASP(2) 4.37 -0.737599000 -0.002925900 -0.000279387 -0.000024619 0.000008259

Side 1 and Side 2 are labeled as ASP1 and ASP2, respectively, on the drawings shown on the Specifications tab.

z	SAG as a Function of Y	A4	4th Order Aspheric Coefficient
R	Radius of Curvature	A6	6th Order Aspheric Coefficient
k	Conic Constant	A8	8th Order Aspheric Coefficient
A2	2nd Order Aspheric Coefficient	A10	10th Order Aspheric Coefficient