| specifications︰ | Specifications:
1. Sphere:+0.12 to +26.75(addition ±0.12D ±10.00D),
-0.12 to -29.00(addition ±0.12D ±10.00D);
2. Cylinder:-0.12 to -8.00D(addition –0.12D –2.00D);
3. Prism:1Δ to 20Δ(1 space=1Δ);
4. PD distance:48mm to 80mm(1 space=1mm);
5. Dimension:405(W)×320(H) ×105(T)mm;
6. Weight:5.2Kgs;
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