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
Lasting Durability: Our laser engraver focus lenses' double-sided coating process also ensures outstanding scratch resistance for a long service life
Wide Compatibility: This 18mm laser focus lens can be used in your 50W-80W CO2 laser engraving and cutting machine for more accurate and efficient production
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 the best care of your lens
Product Specifications
Package Dimensions: 3.07 x 2.87 x 0.75 inches
Item Weight: 0.634 ounces
ASIN: B09B3FPPSF
Item model number: RYGEL-LELI01820
Customer Reviews: 4.8 out of 5 stars 28Reviews
Best Sellers Rank: #127,865 in Arts, Crafts & Sewing (See Top 100 in Arts, Crafts & Sewing) #419 in Jewelry Making Engraving Machines & Tools
Is Discontinued By Manufacturer: No
Date First Available: July 23, 2021
Manufacturer: OMTech
Product Information
Product description
Excellent Performance
OMTech laser engraver focus lenses are made from CVD ZnSe for superior performance and an extended service life. Both sides bear strong antireflective coatings to deliver better than 99.5% transmittance of 10.6 μm infrared light, letting your CO₂ laser engraving machine work better and faster.
Features
Premium Material
Our laser engraver focus lenses are made in the USA from first-rate chemically vapor deposited zinc selenide for exceptional service and durability.
Lasting Durability
Our laser engraving focal lenses undergo a double-sized coating process to offer superior transmittance of infrared light as well as improved resistance to scratches and dents.
Secure Packaging
Each lens is shipped swaddled in soft protective foam above and below inside a secure plastic case, all to ensure they arrive at your door in perfect mint condition.
Product Information
Diameter
18mm
Diameter Tolerance
±0.1mm
Material
USA CVD Znse
Transmittance
≥99.5%
Clear Aperture (polished)
>90%
Package Weight
0.68 lb.
Thickness
2mm
Thickness Tolerance
±0.2mm
Focal Length
1.5/2/2.5/3/4 inch
Centration
<3 arc minutes
Double-side AR Coating
R<0.5% per surface
Package Dimension
3.15" x 2.76" x 0.79"
Cleaning Your Lens
Step 1
Wearing gloves or finger cots, use a squeeze bulb or similarly gentle device to blow dust and other impurities from the surface of the lens.
Step 2
Gently wipe the surface of the lens with an alcohol-soaked pad or swab to remove any fingerprints or similar oily smudges.
Step 3
Gently pad the surface of the lens with a clean and dry cotton pad or swab to remove any excess alcohol or moisture.