Description1 box of 250 (5 packs 50 films each, individually wrapped) KODAK SO-163 sealed films stored in refrigerator since purchased. Kodak SO-163 is a fine-grain, blue-sensitive electron image film designed for transmission electron microscopy (TEM) and electron diffraction studies. As of now, Kodak SO-163 film is discontinued and challenging to find through standard suppliers.I have test these sheets, hence the cheap price New Old StockExpiry will range from 2011-2013
