Lens Material: Three-layer coated Lens. 1x laser lens with M9 black tube. laser lens with Brass tube. 1,Line Lens Special all kinds of red and blue/violet laser products. Glass lens For 405nm-660nm,Speicial For Wavelength: 405nm-450nm.
Waterproof D20x90mm Focusable 520nm Green Line Laser Module with Adapter&Bracket
Wavelength:520nm (center wavelength). — 1 PCS Laser Module. Lens:Glass Lens. — 1 PCS Fixed bracket ( Standard Mount ). Spot: Line. Spot Size: Adjustable Focus. — 1 PCS Power adapter (US Adapter). Line Fan Angle: 110°.

