Product Abstract:
Hand Lensmeter measure lens dioptre directly and accurately.
Exernal-reading lensmeter

Ranges of Measurement: 0 to ±25D
Minimun: Ourter Reading: 0.125D
Inner Reading: 0.125D graduation up 0 to ±5D, and 0.25D graduations over±5D to ±25D
Digital: 0.01D
Cylinder Axis Range: 0~180°
Primatic Power Range: 0~5△prism diopters1△graduations with prism compensation device 0~20△Prism diopters,1△graduations
Primatic Base Angle: 0~180°
Eyepiece Adiustment: ±5D
Dimension of Objective Lens: Φ16~Φ86㎜
Electric Voltage: 220V/50Hz /DC -3V or 110V/60Hz /DC -3V
Power: 3W
Weight: 4kg
Volume: 27.5(L)x12(w)x43(H)cm