TW-1001 Lensmeter with/out Compensator（Internal Reading）

1. Ranges of measurement: 0 to±25D Minimum: 0.125D graduation up to ±5D 0.25D graduations over ±5D to ±25D

2. Cylinder Axis Range: 0 ~180°step 1°

3. Prismatic Power Range:Prism diopter of Pattern A: at 1△ interval in the range of 0~5△Prism diopter of Pattern B: at 1△ interval in the range of 0~20△

4. Prism base angle :at 50 intervals in the range of 0 ~180 degree

5. Eyepiece Adjustment: ±5D

6. Measurand Lens Diameter: φ16 ~φ80mm

7. Dimensions: 275mm(h)×130mm(w)×455mm(d)

8. Weight: 5.6kg

9. Lamp: 220V15W 110V15W