Specifications:Display modelAll-in-one machinesOptical qualityStandardField of viewMaximum 53°NO pupil scatter photographingsupportMinimum pupil diameter3.3mmColor digital collector≧12M pixelObservation illuminationInfrared lightRefraction compensation range≧±15DOutside fixed viewing target Single point fixed viewing target Five points fixed viewing targetOptionalNine points fixed viewing targetOptionalAuxiliary para-positionDouble point auxiliary focusing Focusing methodManualExposure methodManualMedical internetDicom 3.0 interfaceSecond display screen Eye position recognitionAutomaticWorking distance42mm±2mmOperation stageStandard