Optical Butterfly Manual Phoropter
Model: VT-10C
Brand: VisuMate
CE marked
Features:
1. Beautiful butterfly shape design;
2. Able to check all sided visual functions, accurate and comfortable measurement;
3. Exquisite manufacturing technique, with comfortable use feeling;
4. High-grade anti-mildew plated film used in all optical leses;
5. All METAL materials for durable use.
Technical Parameters:
| Sphere Power | Range | +16.75D~-19.00D |
| Step | 0.25D | |
| Cylinder Power | Range | 0.00D~-6.00D (0.00D~-8.00D,when applied with auxiliary lens-2.00D) |
| Step | 0.25D | |
| Cylinder axis | Range | 0°~180° |
| Step | 5° | |
| Cross cylinder | ± 0.25D | |
| Rotary prism | Range | 0°~20° |
| Step | 1° | |
| PD Adjustment | 50 ~ 75mm | |
| Convergence adjustment | ∞ , 380mm(when PD is 64mm) | |
| Forehead-rest Adjustment | 16mm | |
| Vertex Distance | 12mm | |
| Standard Accessorial Lens | circinal lens, double even lens | |
| Standard Accessories | Near point card, reading rod dust cover, face mat, lens accessorial instrument | |
| Size | 318*96*292mm (L/W/H) | |
| Weight | 4.5kgs | |
