Cloudray CO2 Laser China PVD ZnSe Focus Lens

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CO2 Laser
$ 15.00 USD $ 11.00 USD
Size Guide
Diameter *
Focal Length *
Model *
$ 11.00 USD

CO2 Focus Lens—China PVD ZnSe

China PVD ZnSe Focusing Lens Max 80W Diameter Focal Length Thickness Power
mm inch mm inch mm inch Watt
18 0.71 39.1/50.8/63.5/76.2 1.5/2/2.5/3 2.4 0.09 30-80
19.05 0.75 50.8/63.5 2/2.5 2.4 0.09 30-80
20 0.79 38.1/50.8/63.5 1.5/2/2.5 2.6 0.1 30-80
76.2/101.6/127 2003/4/5 2.6 0.1 30-80

 Product Structure


High-quality ZnSe crystal

China PVD ZnSe material

Excellent optical properties

Up to 80W 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 sling, polishing, grinding processes

High temperature, laser resistance, long working life

Technical Parameter

Material China PVD ZnSe (max 80 W)
Wavelength 10.6um
Diameter 18 / 19.05 / 20 mm
Diameter tolerance  +0 / -0.1 mm
Focal length 38.1 / 50.8 / 63.5 / 76.2 / 101.6 / 127 mm
Focal length tolerance ±2%
Transmittance 99.5%
Clear aperture (polished) > 90%
AR coating reflectivity < 0.3%
Scratch-dig 20 - 10

How to Determine Focal Length

 Diameter  38.1mm(1.5") 50.8mm(2") 63.5mm(2.5") 76.2mm(3") 101.6mm(4") 127mm(5")
18mm Plano convex Meniscus Meniscus Plano convex Plano convex -
19.05mm - Meniscus Meniscus - - -
20mm Plano convex Meniscus Meniscus Meniscus Meniscus Meniscus

Packing List

Cleaning instruction

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)

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.

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