Brand: Cloudray

Color: Dia 18mm(0.71″)

Features:

• Material: High Quality PVD Znse,compatible power: 30W-100W
• Diameter: 18mm/0.71″; Focal Length: 50.8mm/2″; Thickness: 2.4mm/0.09″
• Shape: Meniscus; Transmittance: 99.5%;Package includes: 1 x Lens
• Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life
• Usage: CO2 Laser Lens for CO2 laser engraving, cutting machine

Binding: Tools & Home Improvement

model number: PVD ZnSe D18 F50.8 ET2 (Meniscus)

Part Number: China PVD ZnSe Lens

Details:

Material: China PVD ZnSe (Max 100W)

Diameter: 18, 19.05, 20 mm

Focal Length: 1.5″(38.1mm) 2″(50.8mm) 2.5″(63.5mm)3″(76.2mm) 4″(101.6mm) 5″(127mm)

Transmittance: 99.5%

AR Coating Reflectivity < 0.3%

Wavelength: 10.6 um

Diameter Tolerance: +0/-0.1 mm

Focal Length Tolerance: 2%

Clear Aperture (Polished) > 90%

Scratch-Dig: 20-10

How to Determine Focal Length?

The Focal Length is the Distance Between the Lens and the Cutting/Engrave Material.

Make Sure the Focusing Lens: Convex Face to Laser; Concave Face to Material.

How to Clean Laser Lens and Mirrors?

Check Main Picture

Lens Cleaning Swabs are Available:https://www.amazon.com/dp/B07B3N7HM4

EAN: 0669819730395

Package Dimensions: 5.3 x 3.7 x 3.4 inches