Risopto custom-made the Endoscope to be assembled from 8 sets of 10 optical components and mechanical parts for medical examination of blood vessels and ears.It is equipped with quantifiable optical software to ensure stable and reliable lens quality.Among them, the optical lens self-processing coating, the minimum lens diameter size is only 1.8mm;High precision machining, metal wall thickness is only 0.1mm.Working distance of lens: 8-50mm;The maximum working field of view is 35.66mm.