CO2 Laser II-VI ZnSe Focus Lens Dia.20mm for Engraver Cutter FL:63.5mm / 2 inch
950.00 EGP
Description
Description
- Mateial: II-VI USA CVD Znse
- Diameter: 20mm
- Focal length: 2″(63.5mm)
- Wavelength: 10.6 um
- Focal length tolerance: ± 2%
- Transmittance: 99.5%
- Clear aperture (polished) > 90%
- AR coating reflectivity < 0.3%
- Scratch-dig: 20 – 10
Cleaning instructions
- Use an air bulb to blow off any loose contaminants. (dust, lint particles)
- Squeeze a few drops of acetone onto the lens tissue, wetting the complete optic’s diameter. (smudges, fingerprints)
- 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)