+18 Light Microscope Definition References. Web a light microscope is a biology laboratory instrument or tool, that uses visible light to detect and magnify very small objects and enlarge them. They use visible (white) light to illuminate (light up) the object being looked at and focus the light using one or more glass lenses.

Light and electron microscopes allow us to see inside cells. Two kinds of light microscope are common in the classroom: Web light microscopes are the ones you’re most likely to find in the classroom or school science lab.





