Lensmeter - Nigeria
  • Lensmeter - Nigeria
Description :

NJC-type 4 lens detector is to measure the ball mirror, column lens photorefractive column mirror, mirror a prism degree and shaft, prism, and to baseline direction of the optical lens center, a column and column lens axis direction play mark. Mirror basement

This instrument is ac, dc amphibious (dc two # 5 battery), not only reading, clear, and intuitive carved feet high precision and good reliability; Simple operation and and easy to use. And a compensation prism can be modified points of light center; Instrument of the lens and into the mirror all can measure, eyes factory, shop, is eye hospital necessary ideal measuring instrument.

Technical performance index

The eyepiece focus range: ± 5 D

Vertex refractive measurement range:-20 D ~ + 20 D

Minimum measurement value: 0.12 D's

The prism degree measurement range: 5 train

The prism's value: 1 train

The prism shaft range: 0-180 °

The prism's value: 1 ° shaft

Measured by the biggest diameter lenses: 20 mm to 85 mm

Exchange: 220 V (110 V can be customized ) or dc: 3 V (2pcs AA battery)

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