Optical Lenses, Optical Windows, Diffraction Grating manufacturer / supplier in China, offering Customizable Dichroic Filter Sets for Multipurpose Fluorescence Imaging – Optical Bandpass & Longpass Filters for Precision Light Management, Sapphire Optical Windows in Stock & Customizable Manufacturer with Various Coating Options for Optics, K9 Bk7 B270 Plano Convex Cylindrical Lens and Customizable for Optics and so on.