Don’t give up the shots. You just might be able to save them.
Dust, dirt, and unidentifiable grime all over your old prints, slides, and negatives? Don't give up the shots! You just might be able to save them-and maybe even restore them to their former glory. Try these tips:
Brush or blow off any nonembedded dirt and dust, using a light touch to avoid scratching the print surface. Use a low-pressure bulb blower, not canned air (it can leave a residue).