Цифровой рефрактор фороптер Китай оптические инструменты ручной

CP-5D LED centering machine

+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)

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)

0 to 180 in 5 steps

±0. 25D, reversal type (synchronized with astigmatic axis) ±0. 50D optional

0 to 20ΔD in1ΔD step

16mm backward and forward

2.0 mm

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

2mm forward and 5mm backward from standard plane: with scale

19mm