Eyepiece focusing range: 0±15D Lens measurement range: 0±15D Spherical diopter grid value: 0.125D (0±10D] 0.25D (+10D-±15D] Astigmatism cylinder axis angle reading: measuring range 0° -180° Grid value 1° (on the reticle) 5° (enter the reading on the astigmatism axis) Prism axis angle reading: measuring range 0°-360° Grid value 1° (on reticle) 4'' (enter on astigmatism axis reading) Lens application range: 20mm-80mm Power: 30W Dimensions:300x170x70mm Equipped with power supply: 110V/200v
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
