Aspheric Lens, Molded Glass, 4.00 mm, 2.75 mm FL, 0.64 NA, 600-1050 nm

The KGA392-B Geltech Molded Glass Aspheric Lens is a very economic choice for collimating or focusing light at high magnification. It is made from CDGM D-ZLaF52LA glass, which features low dispersion (Vd=40.99). Typical applications include fiber coupling, laser diodes, medical lasers, optical data storage, and barcode scanners. This 4.00 mm diameter lens has an effective focal length of 2.75 mm and a 0.64 NA. It has a NIR anti-reflective coating for 600-1050 nm.

Specifications

Technical Specs

Lens Type
Molded Glass Aspheric
Lens Shape
Plano-Convex Aspheric
Diameter
4.0 mm
Antireflection Coating
600-1050 nm
Coating Code
-B
Lens Material
D-ZLaF52LA
Surface Quality
40-20 scratch-dig
Effective Focal Length (EFL)
2.8 mm

Working Distance
1.50 mm
Design Wavelength
830 nm
Diameter Tolerance
±0.015 mm
Clear Aperture
3.60 mm
Cleaning
See How to Clean Optics
Numerical Aperture
0.6

Lens Type
Molded Glass Aspheric
Lens Shape
Plano-Convex Aspheric
Diameter
4.0 mm
Antireflection Coating
600-1050 nm
Coating Code
-B
Lens Material
D-ZLaF52LA
Surface Quality
40-20 scratch-dig
Effective Focal Length (EFL)
2.8 mm

Working Distance
1.50 mm
Design Wavelength
830 nm
Diameter Tolerance
±0.015 mm
Clear Aperture
3.60 mm
Cleaning
See How to Clean Optics
Numerical Aperture
0.6

Resources & Downloads

2D Product Drawings

KGA392.pdf(569.3 kB, PDF)

Other

KGA392-B RoHS Certificate(265 kB, PDF)
KGA392-B_ROHS2-2021.pdf(279 kB, PDF)

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