Feature

●【Specification】Diameter: 20mm; Focal length: 50mm; Thickness: 4mm; Transmittance: 99.5%
●【JGS1 grade material】Compared to other grades of quartz material,it has excellent optical,thermal and mechanical properties
●【Durable】Double surface coating film with high damage threshold,reduce the loss caused by reflection
●【Application】It can be used for fiber laser cutting machine
●【Package】1 pcs fiber focusing lens

[FL: 150mm]

Description

Specifications:
Material:JGS1 quartz
Shape: plano-convex
Aperture: <80%
Diameter tolerance: ±0.1
Thickness tolerance: ±0.1

Application: Widely used for most of fiber laser cutting machine and laser cutting head.