Application:high quality coated glass optical lenses for all types of blue violet / blue laser products;
Material:Glass Lens
Lens demention: 6.33mm diameter
Transmittance: 98% or more
Lens focal length: 4.02mm
Back focal length: 4.8mm
Working distance: 2.357mm
Glass material: L-BAL35
Lens properties: single-chip
Surface treatment: 405nm / 445nm antireflection coating
They are collimating lens for blue laser diodes, can be used for NDB7875/NDB777 laser diodes. Please keep the lens clean. Package
1PCS 405-G-2 Coated Glass Optical Lenses for 405nm 445nm 450nm Violet Blue Lasers