1.Adopting special butterfly shape
2. Large scale and improving performance.
3. Precise measurement and comfortable touching
4. Adopt advanced coating lense
Product Parameter
|
Spherical power
|
-19.00 m-1～+16.75 m-1 (Step Length : 0.25m-1)
|
|
Astigmatic power
|
0~-6.00m-1 ( Step Length : 0.25m-1)
|
|
Cylinder axis
|
0°-180°(Step: 5°,estimate to 1°)
|
|
Prism
|
0~20△ (Steps:1△)
|
|
Prism base
|
0~360° (Step: 5°,estimate to 1°)
|
|
Cross cylinder
|
0.25m-1
|
|
P.D.adjustment
|
50mm-75mm(1mm steps)
|
|
forehead adjustment
|
16mm
|
|
Mirror angular distance
|
13.75mm
|
| Dimensions |
320mm x 305mm x 100mm |
|
Carton size
|
425mm x 425mm x 245mm
|
|
Weight
|
G.W: 6.55kg/N.W:4.75kg
|
