Parameter of the sinuscope: No.DescriptionTechnique Parameter1Work Length 325mm2Diameter of the lens Φ10mm3Diameter of the ocular cover Φ32mm4Diameter of the Light Guide Cable Φ8,Φ10mm5Trocar Work Length 1106Trocar top diameter Φ5.5 Φ10.57Trocar diameter Φ6.5 Φ11.58Field of view ≥60°9Angle of view 0°,30°,45°10Zoom (work length 40mm) ≥1x11Definition(work length 40mm) 7.02Lp/mm12Depth of Field 2mm-150mm13luminance >5000Lx