| Customization: | Available |
|---|---|
| Model Number: | Vt-5b |
| Sphere Powers Range: | +16.75D to - 19.00d, with Minimum Reading 0.25D or |
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| Specification | Description |
|---|---|
| Sphere Powers Range | +16.75D to -19.00D, with minimum increments of 0.25D or 0.12D (when using ±0.12D auxiliary lens or optional ±0.12D lenses) |
| Cylinder Powers Range | 0 to -6.00D, with minimum increments of 0.25D or 0.12D (when auxiliary lens is in use); 0 to -8.00D (when -2.00D auxiliary lens is in use) |
| Astigmatic Axis Scale | 0° to 180°, with steps of 5° each |
| Cross Cylinder | ±0.25D, reversal type (synchronized with astigmatic axis), also available in ±0.50D |
| Rotary Prism | 0 to 20 prism diopters (△D), with steps of 1△D each |
| Interpupillary Adjustment | 50mm to 80mm, with steps of 1mm each (right and left synchronized) |
| Forehead Rest Adjustment | Adjustable 16mm forward and backward |
| Convergence | Optical axes aligned at a distance of 400mm from the corneal vertexes (2mm inward for each eye) |
| Interpupillary Distance Enabling Convergence | 57mm to 80mm |
| Corneal Distance Device | Adjustable 2mm forward and 5mm backward from standard plane with scale |
| Effective Visual Range | 19mm |
| Weight | 5kgs |
| Size | 323mm x 315mm x 85mm |
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