SKU: 23447008056

18mm CVD ZnSe Focal Focus Lens for 50W - 100W Laser Engraver Cutter

Sale price$71.99 Regular price$79.99
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

18mm CVD ZnSe Focal Focus Lens for 50W - 100W Laser Engraver CutterCutting Edge Features: HIGH QUALITY CVD ZnSe: OMTech's powerful focus lenses are manufactured from premium zinc selenium via chemical vapor deposition for superior optical properties. HIGH TRANSMITTANCE: Both sides of each lens are covered with strongly antireflective coatings to achieve at least 99. 5% transmittance rate for infrared light at a wavelength of 10. 6 microns. LASTING DURABILITY: Our laser engraver focus lenses' double sided coating

Cutting Edge Features:

  • HIGH-QUALITY CVD ZnSe: OMTech's powerful focus lenses are manufactured from premium zinc selenium via chemical vapor deposition for superior optical properties.
  • HIGH TRANSMITTANCE: Both sides of each lens are covered with strongly antireflective coatings to achieve at least 99.5% transmittance rate for infrared light at a wavelength of 10.6 microns.
  • LASTING DURABILITY: Our laser engraver focus lenses' double-sided coating process also ensures outstanding scratch resistance for longer service life.
  • WIDE COMPATIBILITY: This 18mm laser focus lens fits OMTech 50W-100W CO2 laser engravers. Please check the focal lens diameter in your machine’s manual before purchasing.
  • EASY TO USE: The plano-convex shape of OMTech's engraver focal lens lets you install it easily and correctly onto your machine in the proper orientation. Detailed cleaning instructions also help you take proper care of your lens.

Specifications:

  • Material: Zinc Selenium
  • Color: Yellow
  • Diameter: 18mm (0.71")
  • Thickness: 2mm (0.08")
  • Focal Length: 1.5" (38.1mm)/ 2" (50.8mm)/ 2.5" (63.5mm)/ 3" (76.2mm)/ 4" (101.6mm)
  • Rec. Wavelength: 10.6 microns (10600 nm)
  • Min. Light Transmittance: 99.5%
  • Net Weight: 0.2 oz (5g)

Package Includes:

1 x CVD ZnSe Focus Lens

Warranty:

  • No need to worry! We offer a 1-year warranty on all focal lenses.

Certifications:

  • FDA Compliant
  • CE Certification
  • ISO9001 Quality Certification

Summary:

It is all smoke and mirrors! As you engrave, debris such as smoke and dust land on your focal lens, building up a layer of residue over time that absorbs laser beam power and can stain the lens permanently. Eventually, this lost power will affect your machine’s precision and throw off your laser settings. To keep your device running at its full potential, we recommend inspecting and cleaning the optics system once a week and replacing the mirrors or focal lens as soon they get damaged.

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23447008056

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niresha allen
Pawtucket, US
★★★★★ 5
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Organization is good fit for all my jewels
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Reviewed in the United States on March 26, 2026
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lyric
Belleville, US
★★★★★ 5
So cutie
Color: Cloud White, Material Type: Paper, PU
This is a bit large for a travel size jewelry box lol I really thought it was going to be a bit smaller than what it was. I can see why some of the ladies in the comments are saying they’re using it as their main jewelry box since they don’t have much jewelry for a standard sized jewelry box. With that being said, it’s cute and CAN be small enough for travel. It fits a lot and I got this one in particular bc I like that it has a bigger lower compartment for larger pieces. It’s a nice quality travel jewelry box. It’ll fit my needs. But if you have a knack for packing small and you value space. I’d say skip on this one or do due diligence to double check the measurements to see if it’s something you’re okay with packing.
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Reviewed in the United States on January 31, 2026
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Deena M
Louisville, US
★★★★★ 5
Good value
Color: Jelly Pink, Material Type: Paper, PU
This is a great jewelry box for travel or to just keep at home. Very stylish and holds more than it looks like it would.
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Reviewed in the United States on February 10, 2026
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Chavely
Houston, US
★★★★★ 5
CUTE
Color: Cloud White, Material Type: Paper, PU
I absolutely love this jewelry organizer! The 2-layer design gives it plenty of space without being bulky, making it perfect for travel. I was able to neatly store my earrings, necklaces, rings, and bracelets without anything getting tangled. The interior is soft and protects my jewelry really well, and the compartments are thoughtfully designed to keep everything in place. The compact size fits easily in my suitcase or handbag, which is a huge plus. The cloud white color looks elegant and makes it feel like a great gift option too. Overall, it’s practical, stylish, and very convenient for keeping jewelry organized on the go. Highly
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Reviewed in the United States on April 20, 2026
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Lisa T.
Waukegan, US
★★★★★ 5
I bought myself one and this one was gift for a friend.
Color: Cloud White, Material Type: Paper, PU
Very classy travel jewelry box. Just the size. Made well.
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Reviewed in the United States on May 19, 2026

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