<P> Magnification is the process of enlarging the apparent size, not physical size, of something . This enlargement is quantified by a calculated number also called "magnification". When this number is less than one, it refers to a reduction in size, sometimes called minification or de-magnification . </P> <P> Typically, magnification is related to scaling up visuals or images to be able to see more detail, increasing resolution, using microscope, printing techniques, or digital processing . In all cases, the magnification of the image does not change the perspective of the image . </P>

When is magnification equal to unity in converging lens