Optical Lens, Optical Spherical Lens, Optical Prism manufacturer / supplier in China, offering Vy Optics High-Precision Achromatic Doublet Lens – Bk7 & Sf5 Cemented Glass – Low Chromatic Aberration Optical Lens for Imaging & Scientific Applica, Borosilicate Glass Fresnel Lens – 110 mm Diameter, 110 mm Focal Length – High-Precision Magnifier for Solar Cookers, Projectors & DIY Optics, Infrared Focal Length 9.10mm Night Vision Fixed Focus IR Opical Lens and so on.