Contents The Programming Tab » About the ZOS-API » ISystemData TheSystemData » ISDUnitsData UnitsPrint page ISDUnitsData Units Specify the various unit measurements. ISDUnitsData UnitsData = TheSystemData.Units; Next: ZemaxSystemUnits LensUnits ZemaxUnitPrefix SourceUnitPrefix ZemaxSourceUnits SourceUnits ZemaxUnitPrefix AnalysisUnitPrefix ZemaxAnalysisUnits AnalysisUnits ZemaxAfocalModeUnits AfocalModeUnits ZemaxMTFUnits MTFUnits « Void ReloadFiles()ZemaxSystemUnits LensUnits »