Lensmeter determines the optical parameters such as apex diopter, cylindrical astigmatic diopter, cylindrical astigmatic axial angle and the prismatic power.
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Specifications:
Sphere: ±5D with steps of 0.12D and above of +5D with steps of +0.25D
Cylindrical astigmatic axial angle: 0°~180°
Prism axial angle measuring range: 0°~360°
Adjustable tilt angle: 0°~90°
Scale Value: 1Δ
External Reading
Power: 110V/3W pr 220V/3W
Weight: 4.2 kg
Dimension: 410 x 160 x 195mm
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Model: HR-20.MX-1

ALSO AVAILABLE WITH PRISM! 
Please contact us for more information.