| Measurable Range |
range:+16.75D～-19.00D |
| Sphere Power |
when applied with auxiliary lenses +10.00,-10.00D(option) |
| |
+26.75D～-29.00D |
| |
step: 0.25D |
| |
when applied with auxiliary lenses +0.12D |
| |
step: 0.12D |
| Cylinder Power |
range: 0D～-6.00D |
| |
when applied with auxiliary cylinder lens-2.00D |
| |
0D～-8.00D |
| |
step: 0.25D |
| |
when applied with auxiliary cylinder lens +0.12D |
| |
step: 0.12D |
| Cylinder Axis |
range:0～180° |
| |
step: 5° |
| Cross Cylinder |
±0.25D cross cylinder lens synchronized with cylinder axis |
| |
±0.37D,±0.50D,cross cylinder lens (option) |
| 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 |
13.75mm(from corneal point to standard lens surface) |
| Dimention |
338(L)x99(W)x292(H)mm |
| Weight |
5kg(net) |
| Finish |
white grey or black |
| Auxiliary Lenses |
by combinations of abundant auxiliary lenses |
| |
charts various kinds of refractions are made |
