## f_number property


Gets or sets the F-number.
### Definition:
```python
@property
def f_number(self):
    ...
@f_number.setter
def f_number(self, value):
    ...
```

### See Also
* module [`aspose.cad.exif`](../../)
* class [`ExifData`](/cad/python-net/aspose.cad.exif/exifdata)
* class [`TiffRational`](/cad/python-net/aspose.cad.fileformats.tiff/tiffrational)