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American Photonics  |  SKU: LM-20-Z-25.4-ET2.0-DBAR

20mm ZnSe Focus Lens 2mm Edge Thickness For C02 laser 10.6um

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Focal Length

Care information

High care information about CO2 laser lenses, fiber laser protective windows, and
fiber laser lenses is essential to ensure the optimal performance and longevity
of these critical components in laser systems. Here are some key points to consider:

CO2 Laser Lenses:

Regularly clean CO2 laser lenses to remove dust, debris, and residue. Use a
soft, lint-free cloth or lens cleaning tissue. Avoid using abrasive materials
that may scratch the lens.

Always handle CO2 lenses with clean hands or lint-free gloves to avoid transferring oils or contaminants onto the lens surface.

Store lenses in a clean, dry, and dust-free environment to prevent damage and
maintain their integrity.

Properly align CO2 lenses within the laser system to ensure efficient laser
beam delivery and focus.

Regularly inspect lenses for signs of damage, scratches, or deterioration.
Replace any damaged or worn lenses promptly.

Laser Protective Windows:

Clean fiber laser protective windows with care to avoid scratches. Use a gentle
cleaning solution and a soft, lint-free cloth.

Keep protective windows in place when the laser system is not in use to prevent
contamination and damage.

If protective windows become damaged, replace them immediately to maintain
laser system safety and performance.

Fiber Laser Lenses:

Clean fiber laser lenses carefully to prevent damage. Use a lens cleaning
solution and a soft, lint-free cloth or lens tissue.

Handle fiber laser lenses with care to avoid fingerprints, oils, or scratches
on the lens surface.

Properly align fiber laser lenses to ensure accurate laser beam focusing and
efficient performance.

Regularly inspect fiber laser lenses for signs of wear, damage, or contamination. Replace any compromised lenses promptly.

Environmental Considerations: Be mindful of environmental factors such as temperature and
humidity, as extreme conditions may affect lens performance.

maintaining high care and attention to detail when handling, cleaning, and
storing CO2 laser lenses, fiber laser protective windows, and fiber laser
lenses will enhance their longevity and contribute to the smooth and reliable
operation of your laser systems. Always follow the manufacturer's guidelines
and best practices for each specific component to ensure optimal results.

Delivery and Shipping


Orders placed before 2:00 pm EST/EDT on a business day
(Monday - Friday) will ship the same day.
Orders placed after 2:00 pm EST/EDT may not be be shipped
until the next business day.

Our business hours are Monday to Friday, 9 am-4:30 pm.

Orders placed after business hours will not be processed
until the next business day.

Orders placed during the weekend (Saturday - Sunday) or
holiday will be shipped on the next business day.

All packages are shipped FOB ORIGIN – These shipping terms
are characteristic of a “SHIPMENT CONTRACT” and the seller bears the expense
and risk of putting the goods in the possession of the carrier. Title transfers to the buyer at the point when the goods leave the shipper’s loading dock but reverts back to the seller if the buyer follows the correct procedures of notifying the seller of “breach” by “rightfully revoking cceptance.” Even if “breach” has occurred, the buyer remains responsible for filing “carrier loss

Where Precision Meets Quality: Buy with Confidence.
Our CNC Fabrication and ISO Certified Excellence Ensure the Best Product at the Best Price.

Focus Lens Diameter (Dia): 20mm; Edge Thickness (ET): 2mm For Co2 Laser 10.6um

Unlock the true potential of your CO2 laser machine with our premium Focus Lens. Made in the USA from high-quality ZnSe Laser Grade HP material, this lens is designed to enhance the precision and power of your laser engraving and cutting projects. With a 20mm Diameter (Dia) and 2mm Edge Thickness (ET), it offers exceptional performance for 10.6um CO2 lasers, making it the ideal choice for laser enthusiasts and professionals alike.

Select Your Perfect Focal Length (FL):

Choose from a range of seven different Focal Lengths (FL) to suit your specific application needs:

  • 38.1mm (1.5"): Achieve precision and detail in engraving. Ideal for intricate designs on materials like wood, acrylic, and leather.

  • 50.8mm (2.0"): Versatile for a wide range of engraving and cutting tasks. Suitable for materials like glass, rubber, and fabric.

  • 63.5mm (2.5"): Balance depth and precision for intricate work on various materials.

  • 76.2mm (3.0"): Ideal for deep engraving and cutting through thicker materials like cardboard.

  • 101.6mm (4.0"): Perfect for applications requiring an extended focal point.

  • 127mm (5.0"): Achieve maximum depth in your engraving and cutting projects.

  • 190.5mm (7.5"): Designed for specialty applications and cylindrical objects.

Product Specifications:

  • Type: Meniscus Laser Focal Lens
  • Material: ZnSe Laser Grade HP (made in the USA)
  • Coating: 10.6um (AR Both Side)
  • Diameter Tolerance: +0/-0.13mm
  • Center Thickness Tolerance: ± 0.1mm
  • Focal Length Tolerance: < 1%
  • Clear Aperture: >= 90% Diameter
  • Scratch/Dig: 40-20

Experience the difference with our anti-reflective coated Focus Lens, designed to handle power levels of up to 200W. Elevate your laser projects to new heights of precision and clarity. Made in the USA, this lens is a testament to quality and performance, ensuring that every engraving and cut is a masterpiece.

Select your desired Focal Length and unleash the full potential of your CO2 laser machine today!

Need help understanding your laser lens specs like Focal Length (FL), Diameter (Dia), or Edge Thickness (ET)? Our blog has you covered! Check it out here: Choosing the Right Co2 Lens Blog for quick and easy insights.

🌟 Popular Machines Compatibility:

📢 Note: These are not the only machines that can use this 20mm CO2 Laser Lens, but they are among the most popular:

  • AP Lazer - AP Lazer 2816
  • AP Lazer - AP Lazer 3024
  • AP Lazer - AP Lazer 4836
  • AP Lazer - Ap Lazer 4024
  • Aeon - AEON Nova series
  • Bescutter - Bescutter
  • Bescutter - Bescutter RGL-M-5236
  • Bescutter - Bescutter Star5 5236 Lime green
  • Bescutter - Bescutter dual head
  • Boss Laser - Boss 1630
  • Boss Laser - Boss 2440
  • Boss Laser - Boss 3665 (Dual head)
  • Boss Laser - Boss 4055
  • Boss Laser - Boss LS-1420
  • Camfive - Camfive
  • Full Spectrum - Full Spectrum 3D muse
  • Full Spectrum - Full Spectrum P36
  • Full Spectrum - Full Spectrum P48
  • HL Laser - HLlaser 1060 960x600
  • Laguna - Laguna EC
  • Laguna - Laguna EX 2440 150 watt
  • Laguna - Laguna MX 100 watt
  • Laguna - Laguna PL1220
  • Laguna - Laguna smart shop EC
  • Omtech - AF-3555-130 watt
  • Omtech - AF-4063-150 watt
  • Omtech - AF-5070-150 watt
  • Omtech - MF-2440-80 watt
  • Omtech - ZF-2440 - 100 watt
  • Omtech - ZF-3551 - 100 watt
  • Omtech - ZF-3551 - 130 watt
  • Others - GWEIKE 1390
  • Others - Leapion
  • Others - MornTech 90 watt
  • Others - Rabbit Laser
  • Others - Razor
  • Thunder Laser - Thunder Nova series
  • Voccell - Voccell Laser
  • XTool - P2

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Customer Reviews

Based on 5 reviews
Amazing lens!!

Couldn’t cut 1/2 ply with my stock lens, replaced with this lens cut like butter! Customer for life!!


Great service

Cuts perfectly

Works phenomenally!

Stephanie S
Excellent Lenses

AP lenses are highly recommended across the industry, and now I know why. They were shipped quickly and are super high quality. Perfect cuts!

Ana Maria Piumbini
Just a much better lens.


"I'm thoroughly impressed with the American Photonics 20mm ZnSe Focus Lens. This lens has transformed my CO2 laser system's performance. Its precision and clarity are outstanding, delivering exceptional results for both engraving and cutting tasks. The 2mm edge thickness speaks to its durability, ensuring it's a long-lasting investment. The lens's compatibility with a 10.6um wavelength is fantastic. This lens is an absolute game-changer for laser enthusiasts like me."


Thank you for your fantastic feedback! At American Photonics, we take pride in crafting products right here in the USA, using only the finest raw materials. It's our commitment to quality that helps us create what we believe to be the best lens in the world. Your support means a lot to us. Feel free to contact us anytime if you have questions or need assistance.

Warm regards,
American Photonics Team

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