Specifications of Lensmeter Out-Side Reading mod. NJC-4
Vertex Power | Range | +20diopterto-20dioper |
Step | 0.12D |
Prismatic Power | Range | 5 prism diopter |
Step | 1 diopter |
Cylindrical 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 |
Power | AC & DC |