| specifications︰ | Features:
•Wide field of vision observation
•LCD digital type lensmeter
•LED low power and long life
Specifications:
1.Range of Measurement：Spherical lens：－25D~＋25D
Cylindrical lens：－9.99D~＋9.99D
Space of readings：0.01D, 0.06D, 0.12D, 0.25D
2.Astigmatism Axis of Cylindrical Lens：0~ 180°, space of readings：1°
3. Prism Degree：0~ 5△ space of readings：1△(without prism compensation)；
0~20△ space of readings：1△ (with prism compensation)
4. Basal Angle of Prism：0~ 180° space of readings：1°
180°~ 360° space of readings：5°
5. Range of Ocular Visibility Adjustment：±5D
6. Size of Measured Lens：φ16 ~φ80mm
7. Overall Dimensions of Device：320mm（L）×135mm（W）×450mm（H）
8. Weight：5㎏ 9. Lamp of Illumination：φ5 super-lighting LED
10. Voltage：DC 6V/300MA 11. Power：1.5W
12. Temperature：－10℃~+50℃（in operation）
－20℃~+60℃（in storage/during transport）
13. Humidity：30~75%（in operation） 10~85%（in storage/during transport）
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