This property is the numerator for the F number value.
[Visual Basic] Public ReadOnly Property
FNumber0 As Integer
[C#] public int FNumber0 {get;}
Property Value
FNumber0 is the numerator for the FNumber
FNumber1 is the denominator for the FNumber
The FNumber = FNumber0 / FNumber1
Explanation
The property value can be retrieved by executing the File.GetImageFileType or the File.GetImageFileTypeMem methods.
The property value is derived from the image tags related to the picture taking conditions.