Large depth of field, wide field of view angle, high resolution, and low-distortion imaging The connection part be tween the inside of the lens tube and the main body adopts laser welding. Sapphire lens, which is not easy to be worn and can prevent fogging interference Unique sealing design for greater durability Supports immersion disinfection, low-tempera-ture plasma disinfection, and Autoclavable disin fection The anti-fog sapphire\ glass is firmly integrated with stainless steel by adopting gold welding technology. / Viewing Angle: 30° / 0° Field of View Angle: £ 80 Field of View Angle: > 80 Angular Resolution at the Center of the Field of View: > 8.3 C / (°) It can be disinfected by Autoclavable 500 times