Portable lens meter JD-9
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Description
- Eyepiece adjustment range, focal length: ± 5 D
- Sphere measuring range: -25D ~ +25 D (step: 0.125D)
- Prism measuring range: 0 ~ 5 prism D (step: 1 D)
- Prism angle: 0 ~ 180 ° (step: 1 °)
- Measuring lens diameter: 16 ~ 86mm
- Weight: 4 kg
- Power: 220V (US plug) / 110V (EU plug)
Description
Portable diopter meter (portable, tabletop, small, handheld). Convenient for off-site trade and for remote mobile retail outlets with optics. Designed to measure the posterior vertex refraction and prismatic action of spectacle lenses with a distance from the optical center to the edge of the spectacle lens.
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