1. A method for displaying an image of a microscope slide on an electronic display screen, said method comprising: providing a microscope slide and at least one previously-captured image of said microscope slide, said at least one previously-captured image being a representation of said microscope slide at a magnification; presenting a plurality of objectives for viewing said microscope slide on the electronic display screen, the plurality of objectives including at least a first objective corresponding to the at least one previously captured image and at least a second objective corresponding to a real-time image of the microscope slide viewed through a microscope, the real-time image being at a magnification different from the magnification of the at least one previously captured image; accepting a selection from the user of the first objective or the second objective; and if the first objective is selected, displaying the corresponding previously-captured image on the electronic display screen, and if the second objective is selected, presenting the corresponding real-time image on the electronic display screen.