31 Jul 4K Ultra Full HD Medical Endoscope Optical Coupler C-Mount Fixed Focal Couplers
4K UHD Endoscopy Optical Coupler. Focal length: F13, F16, F18, F20, F22, F25, F28, F35mm. "The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies....