ML21
FOCIMETER (Exterior reading)
Features
ML21 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.
Specifications
1. The eyepiece focus range: ±5 D
2. Vertex refractive measurement range:-25 D ~ + 25 D
3. Minimum measurement value: 0.125 D
4. The prism degree measurement range: 18△
5. The prism's value: 1△
6. The prism shaft range: 0-180 °
7. The prism's value: 1 °
8. Measured lens biggest diameter: 100 mm
9. Lighting: the exchange: 220V/110V, DC 3V
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