5pcs 532nm Double Concave Glass Lens Φ4mm Beam Expander
Description:
Wavelength 532nm
Dimensions diameter:4mm
Features:
They are double concave glass lens for 532nm green lasers!
Beam Expander!
Get a clearer laser effect than plastic lens!
Please keep the lens clean!
Package:
5 x lenses
On Jan 10, 2024 at 03:03:48 PST, seller added the following information: