Specifications
Ranges of measurement: 0 to ±25D Minimum: 0.125D graduation up to ±5D 0.25D graduations over ±5D to±25D
Cylinder Axis Range: 0 ~180°step 1°
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△
Prism base angle :at 50 intervals in the range of 0 ~180 degree
Eyepiece Adjustment: ±5D Measurand
Lens Diameter: φ16 ~φ80mm
Dimensions: 275mm(high)×130mm (wids) ×455mm(deep)
Weight: 5.6kg
Lamp: 220V15W 110V15W
