Material: High quality coated glass optical lens for all types of blue violet/blue laser products;
Lens demention: 6.33mm diameter
Transmittance: more than 98%
Lens Focal Length: 4.02mm
Back Focal Length: 4.8mm
Working distance: 0.09 in (2.357 mm)
Glass Material: L-BAL35
Lens Characteristics: Single Tip
Surface treatment: 405nm / 445nm anti-reflective coating
Blue laser diode colimeter lens for NDB7875 / NDB777 laser diodes.
Please keep the lens clean.
This coated laser lens is a high permeable optical component used in industrial laboratories, laboratories, and DIY.
Before performing some laser DIY activities, please read the technical information first and protect your eyes before laser rays. Make sure the operator has optical DIY or testing experience.