China ZnSe CO2 Focus Lens Dia. 18 - 20mm FL 50.8 63.5 101.6mm 1.5 - 4" CVD for Laser Engraving Cutting Machine Free Shipping

The Best Seller Machine Product provide Great Clearance China ZnSe CO2 Focus Lens Dia. 18 - 20mm FL 50.8 63.5 101.6mm 1.5 - 4" CVD for Laser Engraving Cutting Machine Free Shipping. Now only USD /piece. Dont waste your time. Buy Now only in Cloudray Official Store Trusted Seller Store!

Laser focal lens

By Cloudray Laser

Features and specifications:

Specifications:
• Material: China PVD ZnSe (max 80 W)
• Wavelength: 10.6 um
• Diameter: 18/19.05/20 mm
• Diameter tolerance: +0/-0.1 mm
• Focal length: 1.5/2/2.5/3/4/5 inches
• Focal length tolerance: ± 2%
• Transmittance: 99.5%
• Clear aperture (polished) > 90%
• AR coating reflectivity < 0.3%
• Scratch-dig: 20 - 10

Showcase

High-quality ZnSe crystal

China PVD ZnSe material
Excellent optical poperties
Up to 80 W CO2 laser resistance

Superb coating process

Double-sided solid coating
Reduces laser loss
Laser transmittance up to 99.5%

High precision process

Excellent substrate
Precise slicing, polishing, grinding processes
High temperature, laser resistance, long working life

Laser light path schematic

1. Laser tube
2. First mirror
3. Second mirror
4. Third mirror
5. Focus lens

1. Lens tube
2. Focus lens (Reminder: Convex side should face laser, Concave side should face material)
3. Lens ring
4. Nozzle
5. Gas nozzle
6. Focal length (distance between lens and cutting/engraving material)
7. Working table

Cleaning instructions

1. Use an air bulb to blow off any loose contaminants. (dust, lint particles)
2. Squeeze a few drops of acetone onto the lens tissue, wetting the complete optic\'s diameter. (smudges, fingerprints)
3. Using the cotton swab and distilled vinegar, wipe the lens. Immediately use a wet cotton swab to remove any acetic acid, then clean with a clean dry cotton swab. (spittle, oils)

Individually packaged

Mo mirror

Diameter: 15/19.05/20/25/30/38.1 mm (3 pcs)

Si mirror gold-plated

Diameter: 19.05/20/25/30/38.1 mm (3 pcs)

SERVICES

Hot selling products from top sellers

All orders shipped from AliExpress warehouses within 24 hours

Dedicated customer service

PACKAGING AND SHIPPING GUARANTEE

Enjoy peace of mind with AliExpress door-to-door packaging and shipping protection

Return Policy

If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.

Seller Service

On-time Delivery: If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
2018 Offers China ZnSe CO2 Focus Lens Dia. 18 - 20mm FL 50.8 63.5 101.6mm 1.5 - 4" CVD for Laser Engraving Cutting Machine Free Shipping

Supported by Hot Seller 20 | Powered by Aditif