This lens is designed for making Focal Length 4.05mm at short distance .
Special for 445nm 450nm 473nm Blue laser module etc
Package:2PCS M9 x P0.5 x6.5mm Laser Glass lens
Description
Fit for Wavelength: 650nm 638nm 445nm 450nm 520nm 532nm
Size: M9 x P0.5 x6.5mm
Focal Lenth:4.05mm
Material:D-ZK3
Numberical Aperture:0.6
Working Distance :2.23mm
Clear Aperture:5.3mm
Transmittance: ≥95%
Coating:400nm-700nm
Package:2PCS M9 x P0.5 x6.5mm Laser Glass lens
Please keep the lens clean to make the laser beam clear and bright.