FAQ What is the best way to clean my magnifier or my reading magnifier? You should use a soft cotton or linen cloth for cleaning, making sure that you only wipe over the lens surface lightly to avoid scratches [...] on an LED magnifier? The LEDs used for illuminating Eschenbach Optik products have a virtually unlimited service life. They therefore do not need to be changed. What can I do if my LED magnifier is flickering [...] of vision for the user. What are the special features of the LED illuminated magnifiers from Eschenbach Optik? LED magnifiers from Eschenbach Optik provide a very even illumination of the field of view