Feature:
Outer reading lensmeter
±25D measurement
Wide field of vision observation
Technical Data
Ranges of Measurement: 0 to ±25D
Minimum: Outer Reading 0.125D
Inner Reading 0.125D graduation up to 0 ±5D
And 0.25D graduations over ±5D to ±25D
Cylinder Axis Range: 0-180° (step 1°)
Prismatic 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
Lighting Bulb: ~220V/-3V 3W or ~110V/-3V 3W
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