5PCS Imported 400-700nm Coated Glass Optical Lens/4mm Focal Length Collimator Lens

描述

Parameter: Material:High quality Coated Glass Optical Lens Diameter:6.33mm Light Transmittance:more than 99% Focal Length:4.02mm Back Focal Length:4.8mm Working Distance:2.357mm Glass Material:L-BAL35 Lens Properties:monolithic Surface Treatment :antireflection coating