Nadalan 400-700nm Blue/Purple/Green/Red Coated Optical Glass Focusing Lens Focal Length 4mm

Description

Lens material: high-quality coated glass optical lenses Applicable to all types of blue-violet / blue / green / red laser products Lens Size: 6.33mm diameter (see size picture) Light transmittance: 99% or more Lens focal length: 4.02mm Back focus: 4.8mm Working distance: 2.357mm Glass material: L-BAL35 Lens Properties: Monolithic Surface treatment: plating 400nm-700nm AR coating Friendly reminder： Lens: Do not touch the surface directly by your hand,do not let the lens surface and hard objects in direct contact to avoid scratching the surface, the use of the process, it is best to use plastic tweezers to take it. Package: 1 x 400-700nm Blue / Purple / Green / Red Coated Optical Glass Focusing Lens Focal Length 4mm