Specifications:
| Vertex power | range | 20diopter-20diopter |
| step | 0.12D | |
| Prismatic power | range | 5 prism diopter |
| step | 1diopter | |
| Cylindrical axis | range | 0 to 180 degrees |
| step | 1 degree | |
| Lenses accommodated | Diameter 20mm to 85mm | |
| Eyepiece focusing | -5D to 5D | |
| Bulb | 220V-110V/6V/3W | |
Catalogue: PDF
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