Magnifiers are the devices used for magnification purpose. Magnifiers are generally categorized in three ways. First is magnifying glass, second is screen magnifier and third is magnifying transmitter. Magnifying is an optical device. It is used to enlarge the portion of objects with special circular glass fixed to a handle. Screen magnifier is a software program that enlarges the screen resolution and shows magnified screen image. Magnifying transmitter is alternate version of Tesla coil.
