The application of the film is easier than we thought. Of course, the display has to be clean, but that one should make the application in the bathroom with running hot water for dust control but is probably greatly exaggerated. On two edges, the film does not sit quite perfect, here are air bubbles visible and can also be not "emphasize" although they are on the edge. My feeling is, however, the "fat fingers" are now more visible than without foil. But can be readily cleaned (dry cloth is sufficient). I have just one slide mounted because the material is relatively thick and sturdy. The cut-outs are fitted correctly, but must be removed prior to applying the film, the pre-cut material residues. And: Before applying the film Galaxy off, otherwise you will start accidentally anything! No marvel of technology but useful and better than a scratched display.