The focal length of the lens as recorded by the camera when the photo was taken, measured in millimeters. This is the actual focal length without conversion to 35mm (System.Photo.FocalLengthInFilm). This property is calculated from System.Photo.FocalLengthNumerator and System.Photo.FocalLengthDenominator.
Windows 10, version 1703, Windows 10, version 1607, Windows 10, version 1511, Windows 10, version 1507, Windows 8.1, Windows 8, Windows 7, Windows Vista
propertyDescription name = System.Photo.FocalLength shellPKey = PKEY_Photo_FocalLength formatID = 14B81DA1-0135-4D31-96D9-6CBFC9671A99 propID = 37386 SearchInfo InInvertedIndex = false IsColumn = true typeInfo type = Double IsInnate = true
PKEY values are defined in Propkey.h.