Range of measurement

Sphere

0 ~ ±25D    0.01/0.12/0.25D steps

Cylinder

0 ~ ±9.99D   0.01/0.12/0.25D steps

Axis

0 ~ 180º (1º steps)

ADD

0 ~ ±9.99D   0.01/0.12/0.25D steps

Prism Degree

0 ~ 15 0.01/0.12/0.25 steps

Measurement Mode

Cylinder

+, +/-, -

Prism

X-Y, P-B

Contact lens

Soft/hard

Measuring Mode

Single vision/Bifocal/Trifocal/progressive Lens

UV Blue light transmission detection

Configuration

Diameter of Lens

20~108mm

PD

40~90mm, 0.5mm steps

D903A Without Digital PD Measurements function

Speed of measurement

0.1s

Display

5.7 Inch HD Touch Screen

Printer

Thermal Printer

D903A Without Thermal Printer

Weight

About 5kgs

Power Supply

100~240V 50~60HZ