FEATURES
Effective range of measurement
Range of binocular PD ……………………………….. 45 ~ 82mm
Range of monocular PD ……………………………… 22.5 ~ 41mm
Absolute value of indicated error ………………….. <= 0.5mm
Absolute value of asymmetrical error …………….. <= 0.5mm
Absolute value of rounding error ………………….. <= 0.5mm
Distance of testing target …………………………… 30cm ~Â ?
Power source ………………………………………….. 1pc battery
Dimension and weight ………………………………. 230x170x620mm, 0.7kg