- Vertex Power: Range +20diopterto-20dioper
Step 0.12D
- Prismatic Power: Range 5 prism diopter
Step 1 diopter
- Cylindnical Axis: Range 0 to 180 degrees
Step 1 degrees
- Lenses Accommodated: Diameter 20mm to 85mm
- Eyepiece Focusing: -5D to +5D
- Bulb: 220V/15W 110V/15W
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