Under the high magnification microscope, the fiber of the glasses cloth arranges more tightly than the ordinary cloth, the material of itself is softer than the ordinary cloth, this is because the spectacle film of the present is almost all to add the film lens, each a standard lens's front and rear surface all has seven layer function different membrane layer.
Ordinary cloth even soft, long time the dust particles in the air will also be embedded in the fabric of the fiber gap, with such cloth to wipe glasses, said exaggerated a little like with sandpaper, special-purpose glasses cloth in this respect a lot better, but also pay attention to regular cleaning.