i used the magnetic disk of an old floppy disk. no prob for my cam after. im only using sony h50. its a cheap alterntive for me and also for P&S shooters.
Shutter Speed: 10/12500 second
F Number: F/5.6
Focal Length: 78 mm
ISO Speed: 80
Date Picture Taken: Jul 22, 2009, 9:41:28 AM