ZNK D50-T2 Laser Lens
The ZNK D50-T2 laser lens is a precision optical consumable for fiber laser cutting heads. Made from high-purity fused silica, it keeps the laser beam clean and focused during cutting. The Ø50 mm × 2 mm dimensions are fixed by the model designation, so the part drops straight into any cutting head that uses this optic size.
Specifications
| Model | D50-T2 |
| Diameter (D) | 50 mm |
| Thickness (T) | 2 mm |
| Material | High-purity fused silica / quartz |
| Application | Fiber laser metal cutting |
Key Features
| Feature | Benefit |
|---|---|
| High-purity fused silica | Low-absorption optical material helps maintain beam quality during cutting. |
| Fixed Ø50 mm × 2 mm size | Dimensions set by the model designation for a reliable, repeatable fit. |
| Precision optical surfaces | Polished faces support a clean, stable focused beam. |
| Consumable replacement | Ready spare to swap out worn or contaminated optics. |
Compatibility
Sized for fiber laser cutting heads that use a Ø50 mm × 2 mm optic. If you are unsure whether this size matches your cutting head, send us your head model and we will confirm before you order.
Applications
| Use Case | Details |
|---|---|
| Sheet metal cutting | Carbon steel, stainless steel and other common metals |
| Production cutting | General-purpose fiber laser cutting |
| Maintenance | Replacement optic for worn or contaminated lenses |
Why Choose ZNK?
| Specialist supplier | Focused on fiber laser cutting consumables and spare parts |
| Reliable fit | Dimensionally consistent parts for repeatable results |
| Technical support | We help you match the right consumable to your machine |





























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