Summary:
Hand Lensmeter measure lens dioptre directly and accurately, external reading type
Detailed Product Description:
The eyepiece focus range: ±5D
Top point dioptre measurement range: -20 D ~ + 20 D
Minimum measurement value: 0.125 D
The prism degree measurement range: 5 train
The prism’s value: 1 train
The prism shaft range: 0-180 °
The prism shaft’s value: 5 °
Measured by the biggest diameter lenses: 16 mm to 86 mm
Parameter:
Electric Voltage: 220V/50Hz /DC -3V or 110V/60Hz /DC -3V
Power: 3W
Weight: 4kg
Volume: 27.5(L)x12(w)x43(H)cm
