CO2 laser lens 20mm F2.5in/63.5mm focal lens for CO2 engravers
CVD ZnSe laser lens for CO2 systems, 20mm diameter with 63.5mm focal length, compatible with 40W–200W. High transmittance and durable coating support stable performance. One customer notes good focus, others mention fit may vary
Highlights
- high transmittance ZnSe lens
- broad power compatibility (40–200W)
- coated for extended service life
Pros
- high transmittance 99.8%
- CVD ZnSe material for stability
- supports 40W–200W operation
- double-sided solid coating for longevity
- polished and precision coated
Cons
- fit can be inconsistent for some setups
- durability concerns raised by one customer
- reported melting/burning under certain conditions
Best For
Features
- 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.
- Diameter 20mm/0. 79"; Focal Length63. 5mm/2. 5"; Thickness2. 0-2. 2mm/0. 08"; Transmittance 99. 8%.
- Exquisite Coating Process Superb Double-sided solid coating
- increase service life
- precision slicing
- polishing and grinding process
- Reduced laser loss
- wiping resistant
