| After-sales Service: | Online Technical Support |
|---|---|
| Warranty: | 1 Year |
| Usage: | Optical |
| Type: | Convex, Flat and Concave |
| Transmittance: | >95% |
| Shape: | Single-lens |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Features:
1. Reduced-aperture trial lens of 21mm in diameter, 232 pieces included.
2. Power marks printed on single side of the handle.
3. Cylinder and prism lens in square shape to prevent rotation.
4. Trial lens fixed by ultrasound melt process, marking lens more fixed. Specifications:
| Tray | 450*335*30mm |
| Case | 470*270*90mm |
| Weight | 4.0kg |
Suppliers with verified business licenses
Audited Supplier 
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