Product Name: Hot Sale Portable Optical Equipment Manual Lensmeter Model NO.: NJC-4 Product Name: Manual Lensmeter Lenses Accommodated: Diameter 20mm to 85mm Eyepiece Focusing: -5D to +5D Bulb: 220V-110V/6V/3W Trademark: HY Transport Package: Box Specification: CE, FDA, ISO Origin: China HS Code: 90185000 Product Description Hot Sale Portable Optical Equipment Manual LensmeterNJC-4Features:1.±20 D Measurement2.AC and DCSpecifications:Vertex powerrange+20diopter-20diopterstep0.12DPrismatic powerrange5 prism diopterstep1diopterCylindrical axisrange0 to 180 degreesstep1 degreeLenses accommodatedDiameter 20mm to 85mmEyepiece focusing-5D to +5DBulb220V-110V/6V/3WNJC-5Features:1.±20 D Measurement2.AC and DC3.Look in InnerSpecifications: Vertex powerrange+15diopter-15diopterstep0.12DPrismatic powerrange5 prism diopterstep1diopterCylindrical axisrange0 to 180 degreesstep1 degreeLenses accommodatedDiameter 20mm to 80mmEyepiece focusing-5D to +5DBulb220V-110V/6V/3W