Microscopy:The Instruments Ocular lens Line of vision Path of light Prism 。In a compound Body tube microscope the image from the Objective objective lens is lenses magnified again by Specimen- the ocular lens. Condenser- lenses 。1 Total magnification objective lens x llluminator. ocular lens Base with source of illumination (b)The path of light(bottom to top) Figure 3.1b• In a compound microscope the image from the objective lens is magnified again by the ocular lens. • Total magnification = objective lens  ocular lens Microscopy: The Instruments Figure 3.1b