Yo en el exif veo f:11
... yo lo he sacado de aquí,... salvo error... * Camera Make = Canon
* Camera Model = Canon PowerShot A700
* Picture Orientation = normal (1)
* Last Modified Date/Time = 2006:03:14 11:05:15
Exif Sub IFD
* Exposure Time (1 / Shutter Speed) = 1/60 second = 0.01667 second
* Lens F-Number/F-Stop = 35/10 = F3.5
* Original Date/Time = 2006:03:14 11:05:15
* Shutter Speed Value (APEX) = 189/32
Shutter Speed (Exposure Time) = 1/59.97 second
* Aperture Value (APEX) = 116/32
Aperture = F3.51 * Flash = Flash fired, auto mode, red-eye reduction mode
* Focal Length = 13159/1000 mm = 13.16 mm
* Image Width = 2816 pixels
* Image Height = 2112 pixels