In effetti ho trovato questo ...
"... it's the only xD card that supports the Panorama function found on most Olympus digital cameras ..."
"Panorama Support
Olympus xD-Picture Cards are the only xD cards that support the Panorama function found on most Olympus digital cameras."
http://www.olympusamerica.com/cpg_section/cpg_xd.asp
Adesso faccio una ricerca per capire cosa č questa funzione "panorama"