Topcon KR 8900

Objective refractometer mode KR-8900
Sphere: -25D to +22D (0.12D / 0.25D
Cylinder: 0D to ±10D (0.12D / 0.25D)
Axis: 0° to 180° (in 1° or 5° steps)
Minimum pupil diameter: Ø 2.0mm
Corneal curvature fashion
Corneal curvature radius: 5.00 to 10.00mm (0.01mm)
Refrection index: 1.3375
Corneal refraction: 67.5D to 33.75D (0.12D/0.25D)
Corneal astigmetism: 0D to ±10D (0.12D / 0.25D)
Corneal astigmetism axial angle: 0° to 180° (in 1° or 5° steps)
PD measurement range 20-85mm max. in 1mm step
Output RS-232C / USB1.1
Dimensions: 275(W) x 475(D) x 450(H)mm
Weight: 20 kg