Specifications include, but are not limited to: - Microscope must be operable without a darkroom providing an observation environment that does not compromise the background contrast necessary for fluorescence observation. - The electronic shutter, electronic XY/Z stage, electronic revolver, electronic filter turret, electronic color filters, phase-contrast slit electronic switching mechanism, electronic dimmer filter, and electronic aperture control must be standard-equipped, all operable with a mouse. - The electronic XY axes stage must have a stroke of 100 mm x 64 mm or larger, and a minimum travel pitch of 1 μm or smaller. The electronic Z axis stage must have a stroke of at least 8 mm and a minimum pitch of 0.1 μm or smaller. - There must be four parts that allow for fluorescence filter switching. - Objective lens with a magnification of 2x to 100x should be mountable. Up to six lenses should be mountable at a time.