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Delivery via UPS or DHL etc and arrival in 5--7 working days
Highest quality made with superior quality optics and includes a prism compensator in its user friendly design.
Accurate measurment on external power and axis readings.
The large knobs are clearly marked for ease of use
EASY locked in any tilt angle
Most Accurate Lensmeter on the market 1.Range of diopter measurement: 0~±20D 2.Minimum scale value: 0.125Dat 0~±5D, 0.25Dat ±5D~20D 3.Cylindrical lens axis of astigmatism: 0~180゜,Minimum scale value:1゜ 4.Prism diopter: 0~20Δ,minimum scale value 1Δ 5.Prism basal angle: 0~180゜,minimum scale value 1゜ 6.Adjustable range of eyepiece: ±5D