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Manual Lensometer External Reading Prism Unit
- Corona Target Type : Ocular Type External Reading System;
- Vertex Power Range : ± 25D Step : 0.25D Step Up to± 10D 0.50D Step Beyond ± 10D;
- Cylindrical Axis Scale : 0 to 180° (1° step);
- Prismatic Power Range: 5 in the View field (1 step);
- Target : Pins hole Corona;
- Eyepiece Focusing : + 3D to -5D;
- Diameter Of Lens Accommodated: 30 to 80mm;
- Tilting Angle : 30° to 90°;
- Light Source : AC 220V .