Category：Cooperative Product

Product specifications：
FEATURES:
1、Internal reading

2、±25D measurement

3、Wide field of vision observation



MAIN TECHNICAL INDEXES

1. Range of measurement：-25D～+25D

Minimum scale value：-5D～+5D: 0.125D; -5D～-25D、+5D～+25D: 0.25D

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°

5、Range of ocular visibility adjustment：－5D～＋5D

6、Size of measured lens：Φ16～Φ80mm

7、Overall dimensions：280mm (L)×150mm(W)×450mm(H)

8、Weight： Model A 4.9 kg

Model B (with prism compensator) 5 kg

9、Lamp of illumination：220V / 110V 15W