Optical Window, Optical Lens, Optical Filter manufacturer / supplier in China, offering 1/2" Dimater Uncoated Schott N-BK7 CDGM H-K9L Optical Rod Lens for Endoscope/20J Laser, Dia3XL15mm or Customized Size Schott F2 AR coated Wholesale Rod Lenses for Endoscope/Laparoscope/Medical Devices, Optical Infrared Filter for Fluorescence Microscopy, Spectroscopy, Clinical Chemistry, Machine Vision Inspection and so on.