405nm-488nm Blue Laser Diode Collimation Focus Lens 3 Elements Glass LensDescription:Collimating lens for laser diode Moudle,PMMA Laser Lens for lasers DIY productsPlastic Laser Collimating Lens,Black Laser tube Lens,Blue laser module lensPlease keep the lens clean to make the laser beam clear and bright.This coated laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY.Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser rayBe sure the operator has experience in optics DIY or testing.100 Percent new and high qualityMaterial:D-ZK3Fit for Wavelength: 405~488nmColor: As picture showsSize:M9*P0.5*10(mm)Weight: 4gQuantity:1PcsNote:Light shooting and different displays may causethe color of the item in the picture a little different from the real thing.The measurement allowed error is+/-1-3cm.We highly appreciate all custome rsopinions to improvethe selling, also if anything you unsatisfied, please contact us for probable best solution. Thank youPackage Included:1Pcs405nm-488nm Blue Laser Diode Collimation Focus Lens 3 Elements Glass Lens(If there are any problems with the product, please send us pictures.Tell us more details about this problem)