Lens material: high-quality coated glass optical lenses, for all kinds of blue-violet light / blue laser products.
Metal Frame: Screw Size M9*0.5
Lens Material: Glass
Lens Size: 0.6cm
Thread type: full thread
Focus length: 8.3mm
Lens properties: two-layer lens group
1.Do not touch the surface of the lens directly with your hands, avoid hard objects so as not to scratch the surface.
2.Before carrying on some laser DIY activities, please read about the technical information
3.Protect your eyes from laser rays.
1 pcs Coated Glass Lens