Specifications & Compatibility
Shipping, Compatibility & Returns
CO₂ Laser ZnSe Focusing Lens (CVD ZnSe, AR @10.6 µm)
- Material: CVD ZnSe with anti-reflection coating @10.6 µm
- Use: Focusing lens for CO₂ laser cutting/engraving heads
- Diameter Options (Ø): 12 / 15 / 18 / 19.05 / 20 mm
- Focal Length (FL): 25.4 / 38.1 / 50.8 / 63.5 / 76.2 / 101.6 / 127 mm
- Packaging: Protective case + clean pouch
- Handling: Use powder-free gloves; avoid touching optical surfaces
Size Reference
| Diameter (mm) | Diameter (inch) |
|---|---|
| 12 | 0.472″ |
| 15 | 0.591″ |
| 18 | 0.709″ |
| 19.05 | 0.750″ (3/4″) |
| 20 | 0.787″ |
| Focal Length (mm) | Focal Length (inch) |
|---|---|
| 25.4 | 1.0″ |
| 38.1 | 1.5″ |
| 50.8 | 2.0″ |
| 63.5 | 2.5″ |
| 76.2 | 3.0″ |
| 101.6 | 4.0″ |
| 127 | 5.0″ |
Choosing a Focal Length
- 1″–1.5″ (25.4–38.1 mm): Very small spot, fine engraving/thin films
- 2″–2.5″ (50.8–63.5 mm): General purpose cutting/engraving
- 3″–5″ (76.2–127 mm): Thicker materials, longer working distance
Compatibility: Fits most CO₂ laser systems using the listed diameters and FLs. Please confirm your lens seat diameter and required FL before ordering.
Courier freight is confirmed by destination, weight and carton size. We normally ship by DHL, UPS or FedEx with tracking.
If you are unsure about compatibility, send the cutting-head model, source model, part code or dimensions before ordering. Custom, special-order and opened optical parts are handled according to the agreed order terms.