Feature

1. ±25m^-1measurement range

2. Wide observation field wide field of vision observation

3. Classic manual lensmeter

Main technical index

1. Range of measurement

Minimum scale value

－25m^-1～＋25m^-1

－5m^-1～＋5m^-1: 0.125m^-1;

－5m^-1～－25m^-1. ＋5m^-1～＋25m^-1: 0.25m^-1

2. Astigmatism axis angle of cylindrical lens

0°～180°Minimum scale value 1°

3. Prism degree

Model A 0～5△ Minimum scale value 1△

Model B (with prism compensator)

0～20△ Minimum scale value 1△

4. Prism basal angle

0～180°Minimum scale value 1°

180°～360°Minimum scale value 5°

5. Range of ocular visibility adjustment

－5m^-1～＋5m^-1

6. Size of measured lens

Φ16～Φ80mm

7. Overall dimensions

280mm(L)×150mm(W)×450mm(H)

8. Weight

Model A4.9 kg

Model B (with prism compensator)5 kg

9. Lamp of illumination

220V/110V 15W