optical Lensmeter

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Optical Lensmeter Characteristics

NJC-6A Use and features

NJC-6 type 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 1. The eyepiece focus range: + 5 D 2. Vertex refractive measurement range:-25 D ~ + 25 D

3. Minimum measurement value: 0.125 D's 4. The prism degree measurement range: 18 train 5. The prism's value: 1 train 6. The prism shaft range: 0-180 ° 7. The prism's value: 1 ° shaft 8. Measured lens biggest diameter: 100 mm 9. Lighting: the exchange: 220 V / 110 V-6 V dc: 3 V

optical Lensmeter