Hand lens meter

Technique Parameters:

Range of Vertex Power: +15diopterto-15dioper

Step of Vertex Power: 0-(±)10D for 0.125D     (±)10D-(±)15D for 0.25D

Range of Prismatic Power: 4 prism diopter

Step of Prismatic Power: 1 diopter

Range of Cylindnical Axis: 0 to 180 degrees

Step of Cylindnical Axis: 1°

Lenses Accommodated: Diameter 20mm to 80mm

Eyepiece Focusing: -5D to +5D

Voltage: 110V/60Hz    220V/50Hz   or    (DC)3v (AC)6V/3W

Power:  3W

Weight: 1kg

Dimensions(L*W*H)   300*170*70mm