Microscope Widefield Eyepiece (WF) Achromatic lens: a lens that is specially designed and coated to correct for the tendency of light to separate into colors when passing through glass. An... magnifications and present a two-dimensional view. Also see: stereo microscope. Top Condenser: The light rays from the illuminator are condensed and focused through this lens... tissue cells, thereby allowing microscopic viewing of living tissue. It is a sophisticated technique that shifts the light "phase" 1/4 wavelength, causing any light deviated...