Sorry, but this post is not available in English. You can read it in Italian by clicking to the italian flag on the bottom of your screen.
Get a program that will display *all* of the EXIF data, not just the named fields, such as this. Open a recent image, and look for a line like this: Unknown (0093)3,9: 18,Y,XXXXX,0,0,0,65535,65535,0 If Y = 0, then count = XXXXX. But, if Y > 1, then count = ( Y * 65536 ) + [...]