Care Instruction:

Please keep the lens clean to make the laser beam clear and bright.
Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray.
Be sure the operator has experience in optics DIY or testing.

Application:

They are double concave glass lenses for 532nm green laser Beam Expander!
The laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY. Especially for the green laser pointer, laser flashlight and low-power green laser module.
Get a clearer laser effect than plastic lens.

Package:

10pcs x 5mm Glass Lens