Feature

●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

[Dia 20mm(0.79  ) FL76.2mm(3  )]




[Dia 18mm(0.71  ) FL101.6mm(4  )]





Description

focus lensfocus lens

Apply for 30-100W CO2 Engraver (Max)

High-quality ZnSe crystal: PVD ZnSe material ;Excellent optical properties;Up to 80W CO2 engraver resistance

Superb coating process: Double-side soild coating ;Reduces light loss,transmittance up to 99.5%

High precision process: Excellent substrate;Precise sling,polishing;grinding processes,high temperature resistance,long working life

Technical Parameter- D18mm

Material PVD Znse
Wavelength 10.6um
Diameter 18mm (0.71 inch)
Focal Length 38.1/50.8/63.5/76.2mm(1.5/2/2.5/3 inch)
Thickness 2.4mm (0.09 inch)
Power 30-80W (Max)
Focal length tolerance ±2%
Transmittance 99.5%
Clear aperture(polished) >90%
AR coating reflectivity <0.3%
Scratch-dig 20-10
focus lensfocus lens

How to determing focal length

Cloudray CO2 Laser Focus Lens Dia 18mm 19.05 20 China PVD ZnSe for CO2 Laser Engraver CutterCloudray CO2 Laser Focus Lens Dia 18mm 19.05 20 China PVD ZnSe for CO2 Laser Engraver Cutter

Packing List

focus lensfocus lens

Cleaning instructions

CO2 Laser Mirrors mo Material for CO2 Laser Engraver CutterCO2 Laser Mirrors mo Material for CO2 Laser Engraver Cutter

CO2 Laser Mirrors mo Material for CO2 Laser Engraver CutterCO2 Laser Mirrors mo Material for CO2 Laser Engraver Cutter

CO2 Laser Mirrors mo Material for CO2 Laser Engraver CutterCO2 Laser Mirrors mo Material for CO2 Laser Engraver Cutter

Step 1

Use an air bulb to blow off any loose contaminnants.(dust,lint particles)

Step 2

Squeeze a few drops of acetone onto the lens tissue,wetting the complete optics diamteter.(smudges,fingerprints)

Step 3

Using the cotton swab and distilled vinegar,wipe the lens;Immediately use a wet cotton swab to remove any accetic,then clean with a clean dry cotton swab.(spittle,oils)

China PVD ZnSe USA CVD ZnSe GaAs Focus Lens Si Reflective Lens Mo Reflective Lens focus lens co2 laser engraver
PVD ZnSe CVD ZnSe GaAs Focus Lens Si Morror Mo Morror Ⅱ-Ⅵ Si Morror
Diameter 18/19.05/20mm 12/15/18/19.05/20/25mm 18/19.05/20mm 19.05/20/25/30/38.1mm 15/19.05/20/25/30mm 20/25/30mm
Focal Length 38.1-127mm 38.1-127mm 38.1-101.6mm X X X
Material CVD ZnSe PVD ZnSe GaAs Silicon Molybdenum Ⅱ-Ⅵ Silicon
Wavelength 10.6um 10.6um 10.6um 10.6um 10.6um 10.6um
Thickness 2.4mm 2.2mm 2mm 3mm 3mm 3mm
Power Max 100W Max 200W Max 200W Max 200W Max 400W 300-500W
Coating ? ? ? ? X ?

Whats in the box

  • 1 PCS China PVD Focus Lens & 1 PCS box