| Manual Phoropter |
| Sphere power Range |
+16.75D to-19.00D, with minimum reading 0.25D or 0.12D |
| (when+0.12D auxillary lens or optional ±0.12D lens in use) |
| +26.75D to-29.00D |
| (when optional ±10.00D lens is in use) |
| Cylinder power range |
0 to-6.00D, with minimum reading 0.25D or 0.12D |
| (when auxiliary lens is in use) |
| 0 to-8.00D |
| (when-2.00D auxiliary lens is in use) |
| Astigmatic axis scale |
0 to 180 in 5 steps |
| Cross cylinder |
±0. 25D, reversal type (synchronized with astigmatic axis) ±0. 50D optional |
| Rotary prism |
0 to 20ΔD in1ΔD step |
| PD adjustment |
48mm to 80mm in 1mm step (right and left synchronized) |
| Forehead rest adjustment |
16mm backward and forward |
| Convergence |
The optical axes of the lenses are aligned at a distance of 400mm from the vertexes of the comeas. |
| (2mm each for right and left inward) Interpupillary distance enabling convergence=57mm to 80m |
| Corneal distance device |
2mm forward and 5mm backward from standard plane: with scale |
| Effective field of view |
19mm |
| Weight |
N.W 5kgs ; GW 6kgs |
| Dimensions |
323mm*315mm*85mm |
