What does a trinocular microscope do? A dissecting microscope is another name for a trinocular stereo microscope. This gadget displays a three-dimensional image of a specimen to the user. It has an additional connector where you may connect a camera to take pictures and films. The objective lenses and eyepieces of the stereo microscope are separate. This is one of the differences between the gadget and a compound light microscope. This contraption operates by using reflected light from an item. Hence, this light in the trinocular microscope allows it to magnify specimens at low magnification.