- CHINA, China
- US $180.00
- Jun 9th
Optical Manual Lensometer Features: 1) External reading system; 2) LED light source; 3) AC / DC power supply, more convenient; 4) Without prism compensation unit. Specifications: Eyepiece focusing: 0-±5D Vertex power: range: 0-±25D, 0.125D steps Cylinder axis: 0-180°, 1° steps Prism power: 0-5?, 1? steps Accepted lens diameter: 16-86mm Power supply: AC110/220V / DC 3V (AA battery x2)