●Vertex Distance:0.0, 12.0, 13.75

●Spherical:-20.00~+20.00(WhenVD=12mm)  (Step:0.12D)

●Cylinder:0.00~±8.00D (Step:0.12D)

●Axial: 1~180 ° ( Step: 1 °)

●Astigmatism logo:-, +, ±

●Pupil: 45~85mm

●Min measurable pupil: 2.5mm

●Data Memory: Single-eyes three times measurement data retention

●Built-in printer: Linear Thermal Printer

●Power:220V±10% 50Hz

●Size:About: 485(L)×280(W)×440(H)mm3

●Weight: About 20Kg