1. An apparatus for magnifying an image, the apparatus comprising: magnification means arranged to magnify part of the image to form a magnified image portion and an unmagnified image portion, said magnified and unmagnified image portions together containing all the image information contained within the image; wherein at least part of the magnified image portion and at least part of the unmagnified image portion are within a visible image portion and the magnified image portion does not obscure the unmagnified image portion.