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Optical
Portable Lensmeter |
This device is suitable for
spectacles measurement detection departments, spectacles processing
factories, spectacle sales departments, department of ophthalmology in
hospitals and optical element factories to assay spherical lens diopter
of ophthalmic lens or lens cylindrical lens, diopter, astigmatism axis
of cylindrical lens, diopter of prism. |
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Specifications:
- Vertex Power Range: +15D ~
-15D steps
- Vertex Power Step: 0 ~
(+/-)10D (0.125D); (+/-)10D~(+/-)15D, (0.25D)
- Prismatic Power Range: 4 prism
diopter, 1D step
- Cylindnical Axis Range: 0° ~
180°, 5° Steps
- Lenses Accommodated: Diameter
20mm ~ 80mm
- Eyepiece Focusing: -5D ~ +5D
- Power Supply: DC 3V
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