-Sphere powers range: +16.75D to- 19.00D, with minimum reading 0.25D or 0.12D(When +0.12D auxiliary lens or optional 0.12D lens is 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:0to180 in5 steps
-Cross cylinder: 1 0.25D, reversal type (synchronized with astigmatic axis)
-Rotary prism:0to 200D in 14D step
-Interpupillary 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 corneas (2mm each for right and left inward)
-Interpupillary distance enabling convergence= =57mm to 80mm
-Corneal distance device: 2mm forward and 5mm backward from standard plane; with scale
-Effective field ofview: 19mm
-Weight: 5kgs
-Size: 323mmX 315mm x 85mm
