Cloudray China PVD Znse Focus Lens for CO2 Laser

2 sold in last 8 hours
CO2 Focusing Lens
$ 30.00 USD $ 12.50 USD
Size Guide
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$ 15.00 USD

Laser focus lens

                      By Cloudray Laser

Features and specifications:

• Material: China PVD ZnSe (max 80 W)
• Wavelength: 10.6 um
• Diameter: 18/19.05/20 mm
• Diameter tolerance: +0/-0.1 mm
• Focal length: 1.5/2/2.5/3/4/5 inches
• Focal length tolerance: ± 2%
• Transmittance: 99.5%
• Clear aperture (polished) > 90%
• AR coating reflectivity < 0.3%
• Scratch-dig: 20 - 10


High-quality ZnSe crystal

China PVD ZnSe material
Excellent optical poperties
Up to 80 W CO2 laser resistance

Superb coating process

Double-sided solid coating
Reduces laser loss
Laser transmittance up to 99.5%

High precision process

Excellent substrate
Precise slicing, polishing, grinding processes
High temperature, laser resistance, long working life

Laser light path schematic

1. Laser tube
2. First mirror
3. Second mirror
4. Third mirror
5. Focus lens


1. Lens tube
2. Focus lens (Reminder: Convex side should face laser, Concave side should face material)
3. Lens ring
4. Nozzle
5. Gas nozzle
6. Focal length (distance between lens and cutting/engraving material)
7. Working table

Cleaning 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)

Individually packaged


Mo mirror

Diameter: 15/19.05/20/25/30/38.1 mm (3 pcs)

Si mirror gold-plated

Diameter: 19.05/20/25/30/38.1 mm (3 pcs)

Customer Reviews

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Returns Policy

You may return most new, unopened items within 30 days(contact us: of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.(You can return it to the address below after contacted us: Room 101, 3-A, No.10 Huashenmiao, Huashen Technology Park Yuhuatai District, Nanjing, China 210000)


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Our free shipping option within 2kg are only available for lenses and nozzles. Please note that there are 27 countries and regions need to charge $10 within 2kg. (Albania, Angola, Anguilla, Argentina, Armenia, Azerbaijan, Belarus, Bolivia,Brazil, Chile, Colombia, Costa Rica, Cuba, Fiji, Iran, Islamic Republic Of Iraq, Kazakhstan, Kenya, Lebanon, Pakistan, Panama, Peru, Romania, South Africa, Sri Lanka, Ukraine, Venezuela)
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