Internal reading lensmeter
±25D measurement
Wide field of vision observation
Ranges of Measurement
0 to ±25D
Minimum
Outer Reading:0.125D
Inner Reading:0.125D graduation up 0 to ±5D
and 0.25D graduations over±5D to ±25D
Cylinder Axis Range
0-180° (step 1°)
Primatic Power Range
0-5∆ prism diopters, ∆graduations with prism
compensation device 0~20∆prism diopters, 1∆graduations
Prism Base Angle
0~180°
Eyepiece Adjustment
±5D
Dimension of Objective Lens
Φ16~Φ86 mm
