OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter - 1.5 inch (LEL-I018-15) product photo 1 of 8

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OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter - 2 inch (LEL-I018-20) product photo 3 of 8

OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter - 2 inch (LEL-I018-20) product photo 4 of 8

OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter - 3 inch (LEL-I018-30) product photo 5 of 8

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OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter - 4 inch (LEL-I018-40) product photo 7 of 8

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OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter

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Authorized Dealer: OMTech

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IN STOCK & READY TO SHIP

SKU: LEL-I018-15

Focal Length: 1.5 inch

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$27.99

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1.5 inch: Lens Diameter: 18 mm | Lens Material: CVD zinc selenide (ZnSe)
2 inch: Diameter: 18 mm | Material: CVD zinc selenide (ZnSe)
2.5 inch: Lens Diameter: 18 mm | Material: CVD ZnSe (zinc selenide)
3 inch: Lens Diameter: 18 mm | Material: CVD zinc selenide (ZnSe)
4 inch: Lens Diameter: 18 mm | Material: CVD zinc selenide (ZnSe)

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*Please Note: This timeline is an estimate. Certain products may require an additional 1 week for manufacturing. Please speak with your sales rep, Matthew, for official details and confirmation before placing your order.

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OMTech • Focus Lenses • 5 configurations

OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter

The OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter is available in 5 configurations. Choose your focal length above; each option is listed below with its own model number and specifications.

Available Configurations

Focal Length	Model / SKU
1.5 inch	LEL-I018-15
2 inch	LEL-I018-20
2.5 inch	LEL-I018-25
3 inch	LEL-I018-30
4 inch	LEL-I018-40

1.5 inch (LEL-I018-15)

18 mm diameter CVD ZnSe lens
For CO2 laser engravers from 50W to 100W
Available in 1.5, 2, 2.5, 3 and 4 inch focal lengths (this SKU: 1.5 in.)
Image set indicates 99.5% transmittance

Brand	OMTech
Model / SKU	LEL-I018-15
Lens Diameter	18 mm
Lens Material	CVD zinc selenide (ZnSe)
Focal Length	1.5 in. (38.1 mm)
Focal Length Options	1.5 in. (38.1 mm), 2 in. (50.8 mm), 2.5 in. (63.5 mm), 3 in. (76.2 mm), 4 in. (101.6 mm)
Compatible Laser Power	50W to 100W CO2 laser engravers

2 inch (LEL-I018-20)

CVD ZnSe optic, 18 mm diameter
This variant has a 2 in. (50.8 mm) focal length
Listed as compatible with 50W-100W CO2 laser engravers and cutters
Described as durable; ships within 15 days with free shipping and 2-year warranty badge

Brand	OMTech
Model / SKU	LEL-I018-20
Diameter	18 mm
Material	CVD zinc selenide (ZnSe)
Focal Length	2 in (50.8 mm)
Compatible Laser Power	50 W - 100 W
Available Focal Lengths	1.5, 2, 2.5, 3, 4 in (38.1, 50.8, 63.5, 76.2, 101.6 mm)

2.5 inch (LEL-I018-25)

18 mm diameter CVD zinc selenide lens
This variant has a 2.5 in. (63.5 mm) focal length
Page says it fits 50W-100W CO2 laser engravers and cutters
Ships within 15 days; 2-year warranty badge

Brand	OMTech
Model / SKU	LEL-I018-25
Lens Diameter	18 mm
Material	CVD ZnSe (zinc selenide)
Focal Length	2.5 in. (63.5 mm)
Laser Power Compatibility	50W-100W CO2
Warranty	2 years

3 inch (LEL-I018-30)

18 mm diameter CVD ZnSe construction
Compatible with 50W-100W CO2 laser engravers
99.5% transmittance (from a gallery image title)
Available in five focal lengths from 1.5 to 4 in

Brand	OMTech
Model / SKU	LEL-I018-30
Lens Diameter	18 mm
Material	CVD zinc selenide (ZnSe)
Focal Length	3 in (76.2 mm)
Laser Power Compatibility	50 W - 100 W CO2
Transmittance	99.5% (per gallery image title)

4 inch (LEL-I018-40)

CVD ZnSe material, described as highly durable
18 mm diameter
For 50W to 100W CO2 laser machines
Available in 1.5, 2, 2.5, 3 and 4 in. focal lengths

Brand	OMTech
Model / SKU	LEL-I018-40
Lens Diameter	18 mm
Material	CVD zinc selenide (ZnSe)
Focal Length	4 in. (101.6 mm)
Compatible Laser Power	50 W to 100 W CO2

Key Information

Order Cutoff Time: 2:00 PM EST
Order Handling Time: 1–3 business days (Monday–Friday)
Transit Time: 1–7 business days (Monday–Friday)
Total Estimated Delivery Time: 3–11 business days (Monday–Friday)
Shipping Availability: Free Shipping On some Items In The Contiguous United States only

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