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D34*3mm
Laser cutting Protective Lens D34*3mm 15KW for DNE dne fiber laser cutting machine head parts
| Material | Quartz |
| Diameter | 20~50mm |
| Thickness | 1.9mm |
| Transmittance | 99.5% |
| Parallelism | < 1 point |
| Wavelength | 1064nm |
| Tolerance | ±0.05mm |
| Aperture | <80% |