Optical Butterfly Manual Phoropter
Model: CV-400
FEATURES:
1. Beautiful butterfly-shape design;
2. All are METAL materials;
3. Able to check all sided visual functions, accurate and comfortable measurement;
4. Exquisite manufacturing technique, with comfortable feel;
5. High-grade plated-film used in all optical lenses.
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 |
| P. D. Adjustment |
50 ~ 75mm |
| Convergence adjustment |
∞, 380mm(when P. D. 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(L)*96(W)*292(H) mm |
| Net Weight |
4.38 kgs |
