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Size M9x0.5 Focal Length 8mm Laser Glass Collimator Lenses , Find Complete Details about Size M9x0.5 Focal Length 8mm Laser Glass Collimator Lenses,Collimator Lens,Focal 8mm Collimator Lens,Laser Collimator Lens from Lenses Supplier or Manufacturer-Changchun Sunday Optoelectronics Co., Ltd.