CT4221 LENSMETER
Specifications:

1. Range of diopter measurement: from 0D to ±20D

2. Minimum scale value: 0.125D at 0D to ±5D, 0.25 at ±5D to ± 20D

3. Astigmatism axis of cylindric lens: 0 to 180°, minimum scale value 5°

4. Prism base angle: 0 to 180°, minimum scale value 5°

5. Regulation of ocular visibility: ±5D

6. Size of lens: 30MM to 90MM

7. Overall dimensions of device: 46*17*24 (CM)

8. Weight: 7.35KGS

9. Lighting lamp: 220V 25W/110V 25W

Description

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