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 |