Sorry, this product is no longer offered for sale. It was discontinued on Oct 8, 2025

Aspheric Lens, Molded Glass, 4.70 mm, 6.16 mm FL, 0.30 NA, 350-700 nm

The KGA170-A Geltech Molded Glass Aspheric Lens is a very economic choice for collimating or focusing light at high magnification. It is made from CDGM D-ZK3 glass, which features low dispersion (Vd=61.15). Typical applications include fiber coupling, laser diodes, medical lasers, optical data storage, and barcode scanners. This 4.70 mm diameter lens has an effective focal length of 6.16 mm and a 0.30 NA. It has a Visible anti-reflective coating for 350-700 nm.

Specifications

Technical Specs

Lens Type
Molded Glass Aspheric
Lens Shape
Bi-Convex Aspheric
Diameter
4.7 mm
Antireflection Coating
350-700 nm
Coating Code
-A
Lens Material
D-ZK3
Surface Quality
40-20 scratch-dig
Effective Focal Length (EFL)
6.16 mm
Edge Thickness (T<sub>e</sub>)
0.275 mm

Working Distance
4.37 mm
Design Wavelength
780 nm
Shape S2
Convex
Diameter Tolerance
±0.015 mm
Clear Aperture
3.70 mm
Cleaning
See How to Clean Optics
Numerical Aperture
0.3

Lens Type
Molded Glass Aspheric
Lens Shape
Bi-Convex Aspheric
Diameter
4.7 mm
Antireflection Coating
350-700 nm
Coating Code
-A
Lens Material
D-ZK3
Surface Quality
40-20 scratch-dig
Effective Focal Length (EFL)
6.16 mm
Edge Thickness (T<sub>e</sub>)
0.275 mm

Working Distance
4.37 mm
Design Wavelength
780 nm
Shape S2
Convex
Diameter Tolerance
±0.015 mm
Clear Aperture
3.70 mm
Cleaning
See How to Clean Optics
Numerical Aperture
0.3

Resources & Downloads

3D Product Models

Download CAD Files

2D Product Drawings

KGA170.pdf(556.6 kB, PDF)

Other

KGA170-A RoHS Certificate(264.1 kB, PDF)
KGA170-A_ROHS2-2021.pdf(279.1 kB, PDF)

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