Updated: 24 Feb 2025

focus lens laser 18mm co2s

Updated: 24 Feb 2025

#1

Best Choice
Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens Dia18mm FL50.8mm, CVD ZnSe CO2 Laser Focus Lens for CO2 Laser Engraver Cutter Machine 40W-200W,2PCS

9.7

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 18mm/0.71"; Focal Length: 50.8mm/2"; Thickness: 2mm/0.07"; Weight: 0.1KG
#2

Value for Money
LD-Teemm GaAs CO2 Laser Focus Lens, 18mm Laser Focal Lens Laser Mirror for CO2 Laser Cutting Engraving 40W-150W Machine, Diameter(Dia.) 18mm/ 0.71", Focal Length(FL.) 50.8mm/2"

9.4

LD-Teemm

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Main highlights

3. High Transmittance: To obtain superior transmittance, GaAs crystals are grown by Chemical Vapor Deposition process. Please note: GaAs Focus lens appear in different colors under different light.

2. Compatible power: Dia.15mm/18mm/19.05mm/20mm, 40W-200W; Dia.25mm/25.4mm, 40W-400W; Dia.27.94mm/28mm, Up to 600W CO2 laser resistance;

1. Material: GaAs, Diam: 18mm/ 0.71", Focal length: 50.8mm/2", Thickness: approximate 2.2mm / 0.087", Usage: CO2 Laser Lens for higher power CO2 laser engraving, cutting machine
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#3
Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 18mm FL50.8mm

9.3

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: 18mm/0.71"; Focal Length: 50.8mm/2"; Thickness: 2.4mm/0.09"
#4
OMTech 18mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance

9.1

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
#5
Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 18mm FL50.8mm

9.0

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: 18mm/0.59"; Focal Length:50.8mm/2"; Thickness: 2mm/0.07"
#6
TEN-HIGH CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens Laser Focus Lens, ZnSe for CO2 Laser Engraving Cutting Machine, Dia18mm FL50.8mm

8.7

TEN-HIGH

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Why we love it

High transmittance for efficient laser cutting.

Durable with excellent optical properties.

Responsive and helpful customer service.

Main highlights

High Quality Superb Coating
The lens features a high-quality, double-sided solid coating, precision slicing, polishing, and grinding, ensuring excellent optical properties and long working life.

Ideal for CO2 Laser Cutters
Best suited for CO2 laser cutters with power ranging from 30W to 100W, particularly effective for detailed engraving and cutting.

Improved Cutting Efficiency
Many users praised the lens for significantly improving cutting speed and engraving precision, enhancing overall productivity and efficiency.
#7
CNCOLETECH CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens FL:2" or 50.8mm CVD ZnSe Focus for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

8.4

CNCOLETECH

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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, not easy to fall off, increase service life, precision slicing, polishing and grinding process, Reduced laser loss, wiping resistant, high temperature resistance, excellent optical properties, high working efficiency.

Diameter: 18mm/0.71"; Focal Length:50.8mm/2"; Thickness:2.0-2.2mm/0.08"; Transmittance: ≥99.8%.
#8
CNCOLETECH 18mm CO2 Laser Lens, Laser Mirror PVD ZnSe Focus Lens 101.6mm / 4" Focal for CO2 10600nm 10.6um Laser Engraver Cutting Cutter

8.2

CNCOLETECH

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Main highlights

Material: Hight quality PVD Znse crystal material

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:18mm/0.71";Focal Length:101.6mm/4";Thickness:2.2-2.3mm;Transmittance: ≥99.5%
#9
Ultrarayc CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 18mm FL50.8mm

8.1

Ultrarayc

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Main highlights

[Versatile Compatibility] Whether you're operating with a high-powered CO2 machine above 100W or the popular K40 laser, our 18mm CO2 laser lens is designed for optimum compatibility, enhancing machine performance seamlessly.

[Superior Optical Clarity] Constructed from high-grade CVD ZnSe material, our 18mm CO2 laser lens provides exceptional optical clarity with a transmittance rate exceeding 99.5%, ensuring precise laser focus for all your engraving and cutting needs.

[Durable Coating Technology] Each laser lens is treated with a double-sided solid coating, offering wiping resistance and an extended working life, ensuring consistent performance with minimal maintenance for your laser cutter lens replacement.
#10
CNCOLETECH 18mm GaAs Focus Lens for CO2 10600nm 10.6um Laser Engraver/Cutter Dia:18mm FL: 2" or 50.8mm

7.9

CNCOLETECH

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Main highlights

Material: GaAs

High durability;Resistance to wipe;High transmittance; Long service life

Focal Length: 50.8mm/2"; Dia:18mm/19mm/20mm optional; Thickness:2.2-2.3mm;

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focus lens laser 18mm co2s

Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens Dia18mm FL50.8mm, CVD ZnSe CO2 Laser Focus Lens for CO2 Laser Engraver Cutter Machine 40W-200W,2PCS

9.7

Main highlights

LD-Teemm GaAs CO2 Laser Focus Lens, 18mm Laser Focal Lens Laser Mirror for CO2 Laser Cutting Engraving 40W-150W Machine, Diameter(Dia.) 18mm/ 0.71", Focal Length(FL.) 50.8mm/2"

9.4

Main highlights

Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 18mm FL50.8mm

9.3

Main highlights

OMTech 18mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance

9.1

Main highlights

Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 18mm FL50.8mm

9.0

Main highlights

TEN-HIGH CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens Laser Focus Lens, ZnSe for CO2 Laser Engraving Cutting Machine, Dia18mm FL50.8mm

8.7

Why we love it

Main highlights

CNCOLETECH CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens FL:2" or 50.8mm CVD ZnSe Focus for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

8.4

Main highlights

CNCOLETECH 18mm CO2 Laser Lens, Laser Mirror PVD ZnSe Focus Lens 101.6mm / 4" Focal for CO2 10600nm 10.6um Laser Engraver Cutting Cutter

8.2

Main highlights

Ultrarayc CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 18mm FL50.8mm

8.1

Main highlights

CNCOLETECH 18mm GaAs Focus Lens for CO2 10600nm 10.6um Laser Engraver/Cutter Dia:18mm FL: 2" or 50.8mm

7.9

Main highlights

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