External reading scale lensometer
General Details
Manual Lensometer GD6202 NJC-4
Same function and design of NJC-4 Lensmeter
Specifications
1. Diopter: 0~±20.00D (0.12D, 0.25D step);
2. Prism power: 0~5△, 1△ step;
3. Axis: 0~180° (5°step);
4. Max. lens diameter: 85mm;
5. Eyepiece compensation:±5.00D;
6. Power supply: AC to DC or 2AA batteries;
2. Prism power: 0~5△, 1△ step;
3. Axis: 0~180° (5°step);
4. Max. lens diameter: 85mm;
5. Eyepiece compensation:±5.00D;
6. Power supply: AC to DC or 2AA batteries;