A digital precision optical instrument used
to measure the distance between human pupils and pupil height in the process of
an Fill a prescription.
Detailed product description:
1. the instrument adopts the precise
optical structure, the optical path is clear, the measurement is accurate, the
measurement data digital display, and the left and right display respectively.
2. the operation is simple and the
measurement speed is fast. And with the adjustable distance knob, suitable for
different measured the distance of the distance, so that the measurement
distance of the distance
To be simple and accurate.
3. after the measurement is completed with
memory function, the data will not be lost.
4. measurement of left or right unilateral.
Parameter
Effective measurement range: binocular
distance: 46 - 82 mm, left and right distance: 23 - 41 mm
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