Description
- Model : NJC-4
- Origin : China
- Manufacturer : Ray-Vision
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- Eyepiece focusing range: ±5D
- The top point diopter measuring range: -20D~+20D
- The minimum measuring square value: 0.12D
- The cylinder lens axial range: 0-180°
- Max Diameter of lenses 20mm~85mm
- Power supply: AC110V-6V DC3V






































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