1. A method for viewing a microscope slide on a 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 to a user, 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 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 a screen, and if the second objective is selected, presenting the corresponding real-time image on said screen.