All digital sensors have dead pixels, as long as they are few and far between. Hardware algorithms PRNU/PRNL/FPN/(and others) and pixel tables take care of interpolating surrounding pixels to give the dead or out of tolerance pixel a value. :-) Jim Jim Brick Sunnyvale, CA http://www.photomojo.org/My_Favorites/ On Oct 21, 2011, at 7:04 PM, Jeffery Smith wrote: > A dead pixel would apparently be a really BIG dead pixel. > > Sent from my iPad > > On Oct 21, 2011, at 8:59 PM, Jim Brick <jim@xxxxxxxxxx> wrote: > >> >> http://tinyurl.com/3htxoce >> >> Jim Brick >> Sunnyvale, CA >> http://www.photomojo.org/My_Favorites/ >>