Description

Sphere powers range: +16.75D to19.00D, with minimum reading 0.25D or 0.12D
Cylinder power range: 0 to6.00D, with minimum reading 0.25D or 0.12D (when auxiliary lens is in use)
0 to8.00D (when2.00D auxiliary lens is in use)
Astigmatic axis scale: 0 to 180 in 5 steps
Rotary prism: 0 to 20D in 1D 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 of view: 19mm
Weight: 5kgs
Size: 323mm*315mm*85mm