Lensmeter Manual (focimeters)
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Magnon LM 390

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LM-390 Lensmeter
The Magnon LM-390 Lensmeter (foci) enables you to measure a variety of lenses accurately including single vision, bifocal and contact lenses.
Features
- Internal reading system
- Cross line and corona target
- Battery operated
- LED illumination
- Cartridge type marker
- Prism compensator (LM-390p)
Budget Manual Focimeter/Lensmeter (internal reading)

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Measurement Range: 0 to ±25D
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Minimum: 0.125D graduation up to ±5D, 0.25D graduations over ±5D to ±25D
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Cylinder Axis Range: 0 to 180° in 5° steps
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Prismatic Power Range: 0 to 20∆ (1∆ interval)
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Prism base angle: range of 0 ~ 180 degree
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Eyepiece Adjustment: ±5D
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Cross Target: makes axes easier to measure
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Dimensions: 275mm(h) ×130mm(w) ×455mm(d)
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Weight: 5.6 kg
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