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Features:
| 1,Simple operation and easy to use. |
| 2,AC/DC power source (DC 2x 5# AA battery, Battery not included). |
| 3,Clear reading and length scale, intuitive, high precision and good reliability. |
| 4,Can measure Sphere, Cylinder power, Cylinder axis, prism power and baseline direction. Can also mark the lenses at the optical lens center, cylinder axis and cylinder baseline direction. |
| 5,Compensation prism can modified points of light center. |
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Model |
NJC-4 |
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Vertex Power Range |
- 20 D ~ + 20 D, 0.12 D step |
|
Vertex Power Step |
-5D~+5D 0.12D steps
-5D~-20D & +5D~+20D 0.25D |
|
Prismatic Power Range |
5 prism diopter, 1 diopter |
|
Cylindnical Axis Range |
0° ~ 180°, 1° Steps |
|
Lenses Accommodated |
Diameter 20mm to 85mm |
|
Eyepiece Focusing |
-5D to +5D |
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Power Supply |
DC 3 V; AC 220 V 50HZ/ 110 V 60HZ |
|
Packing Size(L*W*H) |
46*22*32cm |
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Gross Weight |
6KG |
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