Updated: 16 Feb 2025

20mm co2 znse laser lens

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Updated: 16 Feb 2025

#1

Best Choice
Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens Dia20mm FL50.8mm, CVD ZnSe CO2 Laser Focus Lens for CO2 Laser Engraver Cutter Machine 40W-200W,2PCS

9.8

Cloudray

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Main highlights

Material: CVD Znse; Compatible power: 40W-200W

High Quality:Superb double-sided solid coating. Precision slicing, polishing, grinding. Resistant to high temperature, excellent optical properties; long working life, high working efficiency.

Diameter 20mm/0.78"; Focal Length: 50.8mm/2"; Thickness: 2mm/0.07"; Weight: 0.1KG
#2

Value for Money
Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 20mm FL50.8mm

9.7

Cloudray

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Main highlights

Shape: Meniscus; Transmittance: ≥99.5%;Package includes: 1 x Lens

Material: High Quality CVD Znse,compatible power: 40W-200W

Diameter: 20mm/0.71"; Focal Length:50.8mm/2"; Thickness: 2mm/0.07"
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#3
CNCOLETECH 20mm CO2 Laser Lens, Laser Mirror PVD ZnSe Focus Lens 50.8mm / 2" Focal for CO2 Laser Engraver Cutting Cutter

9.6

CNCOLETECH

-10%

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Why we love it

High efficiency with smaller focusing spot size.

Excellent optical properties and high working efficiency.

Affordable alternative to more expensive brands.

Main highlights

High Quality PVD ZnSe Material
Made from high-quality PVD ZnSe material, this lens boasts a 99.5% transmittance and is compatible with 30W-100W power, ensuring high efficiency and durability.

Ideal for CO2 Laser Engraving and Cutting
Perfect for use in CO2 laser engraving and cutting machines, this lens helps achieve a smaller focusing spot size, making the process more efficient.

Excellent Performance at a Lower Cost
Customers consistently praise the lens for its excellent performance, comparable to more expensive lenses, making it a cost-effective upgrade for various laser machines.

-10%
#4
CNCOLETECH 20mm CO2 Laser Lens FL: 2" / 50.8mm Laser Mirror CVD ZnSe Focus Focal Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

9.4

CNCOLETECH

-10%

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Main highlights

Material: High class CVD ZnSe material (US II-VI). High-quality materials ensure more stable laser system; excellent High-Power density endurance. Compatible power: 40W-200W.

Exquisite Coating Process: Superb Double-sided solid coating, increase service life, precision slicing, polishing and grinding process, Reduced laser loss, wiping resistant, high temperature resistance, excellent optical properties, high working efficiency.

Diameter: 20mm/0.79"; Focal Length:50.8mm/2"; Thickness:2.0-2.2mm/0.08"; Transmittance: ≥99.8%.

-10%
#5
TEN-HIGH CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens Laser Focus Lens, ZnSe for CO2 Laser Engraving Cutting Machine, Dia20mm FL50.8mm

9.2

TEN-HIGH

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Why we love it

High transmittance for efficient cutting.

Durable with excellent optical properties.

Works well with various power levels.

Main highlights

High Transmittance and Durability
The lens boasts a 99.5% transmittance rate, high resistance to temperature, and a long working life, ensuring excellent optical properties and efficiency.

Ideal for High-Power Laser Cutters
Best suited for laser cutters with power ranging from 30W to 100W, making it perfect for professional and industrial applications.

Superior Cutting Performance
Customers consistently praise the lens for its ability to cut faster and more precisely, enhancing overall performance and satisfaction.
#6
Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 20mm FL50.8mm

9.1

Cloudray

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Main highlights

Shape: Meniscus; Transmittance: ≥99.5%;Package includes: 1 x Lens

Material: High Quality PVD Znse,compatible power: 30W-100W

Diameter: 20mm/0.79"; Focal Length: 50.8mm/2"; Thickness: 2.6mm/0.1"
#7
DGHUNST 20mm Laser Lens FL 63.5mm/ 2.5" Co2 ZnSe Focus Lens for Laser Engraving Cutting Machine, Laser Engraver/Cutter (FL63.5mm (2.5inches), Diameter 20mm(0.79inch))

9.0

DGHUNST

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Main highlights

【Lasting Durability】This focus lens with superb double-sided solid coating, wiping resistance, longer working life.

【High quality Material】High quality Laser Lens use ZnSe cystal material, resistant to high temperature, excellent optical properties，up to 180W CO2 laser resistance.

【High Transmittance】Znse Lens both sides strongly antireflective coating achieve a 99.9% Laser Transmittance rate, 10% Higher Work Efficiency.
#8
MCWlaser CVD ZnSe Focus Lens Dia: 20mm FL:4"/ 101.6mm for CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W

8.9

MCWlaser

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Main highlights

Material: Hight class CVD Znse material (US II-VI)

Double-sided solid coating,Wiping resistant,Extended durability,Precision slicing polishing and grinding processes,High temperature laser resistance,Excellent optical properties,High working efficiency.

Diameter: 20mm/0.79"; Focal Length:101.6mm/4";Thickness:2.2-2.3mm;Transmittance: ≥99.5%
#9
OMTech 20mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2.5 Inch Focal Length, 2.5" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance

8.8

OMTech

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Main highlights

LASTING DURABILITY: Our laser engraver focus lenses' double-sided coating process also ensures outstanding scratch resistance for a long service life

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 coated with strongly antireflective coatings to achieve a better than 99.5% transmittance rate for infrared light at a wavelength of 10.6 microns
#10
DGHUNST Laser Lens USA CVD ZnSe Focus Lens for CO2 Laser Engraving Cutting Machine Cutting Engraver (FL50.8mm (2inches), Diameter 20mm(0.79inch))

8.6

DGHUNST

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Main highlights

【Lasting Durability】This focus lens with superb double-sided solid coating,wiping resistance, longer working life.

【High quality Material】High quality USA CVD ZnSe cystal resistant to high temperature, excellent optical properties，up to 180W CO2 laser resistance.

【High Transmittance】High quality material and both sides strongly antireflective coating achieve a 99.9% Laser Transmittance rate, 10% Higher Work Efficiency.

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20mm co2 znse laser lens

Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens Dia20mm FL50.8mm, CVD ZnSe CO2 Laser Focus Lens for CO2 Laser Engraver Cutter Machine 40W-200W,2PCS

9.8

Main highlights

Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 20mm FL50.8mm

9.7

Main highlights

CNCOLETECH 20mm CO2 Laser Lens, Laser Mirror PVD ZnSe Focus Lens 50.8mm / 2" Focal for CO2 Laser Engraver Cutting Cutter

9.6

Why we love it

Main highlights

CNCOLETECH 20mm CO2 Laser Lens FL: 2" / 50.8mm Laser Mirror CVD ZnSe Focus Focal Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

9.4

Main highlights

TEN-HIGH CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens Laser Focus Lens, ZnSe for CO2 Laser Engraving Cutting Machine, Dia20mm FL50.8mm

9.2

Why we love it

Main highlights

Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 20mm FL50.8mm

9.1

Main highlights

DGHUNST 20mm Laser Lens FL 63.5mm/ 2.5" Co2 ZnSe Focus Lens for Laser Engraving Cutting Machine, Laser Engraver/Cutter (FL63.5mm (2.5inches), Diameter 20mm(0.79inch))

9.0

Main highlights

MCWlaser CVD ZnSe Focus Lens Dia: 20mm FL:4"/ 101.6mm for CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W

8.9

Main highlights

OMTech 20mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2.5 Inch Focal Length, 2.5" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance

8.8

Main highlights

DGHUNST Laser Lens USA CVD ZnSe Focus Lens for CO2 Laser Engraving Cutting Machine Cutting Engraver (FL50.8mm (2inches), Diameter 20mm(0.79inch))

8.6

Main highlights

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