Portable lens meter GJD-1 Power supply mains and batteries
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Description
- Ranges of Measurement: from 0 to ±25D
- Minimum: Outer Reading:0.125D. Inner Reading: 0.125D graduation up 0 to ±5D and 0.25D graduations over±5D to±25D
- Cylinder axis range: 0-180° step 1°
- Primatic Power Range: 0-5 prism diopters, with prism correction device: 0-20 prism diopters, 1 division
- Prism base angle: 0–180°
- Eyepiece adjustment: ±5D
- Dimension of Objective Lens: Φ16~Φ86mm
- Total size: 220×120×430 mm
- Power supply: mains and batteries. there is a switch
- Net weight: 3.9 kg
- Lighting bulb: ~220 V / 3 W or ~110 V / 3 W
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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