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Features:
1) Internal reading system;
2) AC / DC power supply, more convenient.
Specifications: Eyepiece focusing: 0-±5D
Vertex power: range: 0-±25D (0-±5D, 0.125D steps / ±5D-±25D, 0.25D steps)
Cylinder axis: 0-180°, 1° steps
Accepted lens diameter: 16-86mm
Power supply: AC110/220V / DC 3V (AA battery ×2)











Kindly note:
With or without Prism compensation unit (Prism power:0-20Δ, 1Δ steps) is optional, pleasure be sure to choose the correct option when placing the order with us, thank you!
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