NJC-5型焦度计

技术性能指标：

1.目镜调焦范围:                    

2.顶点屈光测量范围:                         —15D~+15D

3.zui小测量格值:                                  0.12D

4.刻度                            1屈光度

6.棱镜轴范围：                                 0——180°

7.棱镜轴格值:                           1°

8.适用镜片直径:                     φ20-80mm

9.照明:                           6V/3W

10.电压：                          220V/110V——6V