Cloudray II-VI CVD ZnSe CO2 Laser Focus Lens
Cloudray II-VI CVD ZnSe CO2 Laser Focus Lens
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- More Details of Configurations in Description (Click to Expand)
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II-VI Focusing Lens — USA CVD ZnSe
Meniscus lenses are designed to minimize spherical aberration producing a minimum focal spot size for incoming collimated light.
Product Structure
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High-quality ZnSe crystal USA CVD ZnSe material Up to 300W CO2 laser resistance |
High precision process Precise sling, polishing, grinding processes High temperature, laser resistance |
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High Transmittance 99.5% High quality material and exquisite coating reduce the loss of laser |
Superb Coating Process
Doble-sided solid coating Wipeing resistance extended durability |
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Product Size
Laser Path
How to determine focal length
Diameter |
38.1mm(1.5") |
50.8mm(2") |
63.5mm(2.5") |
76.2mm(3") |
101.6mm(4") |
19.05mm |
Plano convex |
Plano convex |
Plano convex |
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20mm |
Plano convex |
Meniscus |
Meniscus |
Meniscus |
Meniscus |
Material: USA CVDZnSe |
Wavelength:10.6um |
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Diameter:12,18,19.5,20,25mm |
Diameter Tolerance:±0.1mm |
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FocusLength:1.5,2,2.5,3,4,5inches |
Focus Length Toleance:±2% |
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Transmittance:99.5% |
Clear Aperture(Polished)>90% |
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AR CoatingReflectivity<0.3% |
Scratch-Dig:20-10 |
Cloudray Test Process
Clean instructions
1.Use an air bulb to blow off any loose contaminants. (dust, lint particles)
2.Squeeze a few drops of acetone onto the lens tissue, wetting the complete optic's diameter. (smudges, fingerprints)
3.Using the cotton swab and distilled vinegar, wipe the lens. Immediately use a wet cotton swab to remove any acetic acid, then clean with a clean dry cotton swab. (spittle, oils)
Packaging

Notification: Customs clearance inspections (CN Warehouse) will cause delays 2-3 days in logistics.
1. Accessories sitewide: 3-7 Business Days
2. Machine with the default configuration: CN Warehouse: 5-7 Business Days
USA/EU Warehouse: 3-7 Business Days
3. Customized Machine (Only Support Shippment From China Warehouse)
The average period of production: 7-10 Business Days
Shipping: 7-10 Business Days