Precaution while using Microscope
FOCUS ON SPECIMEN
FOCUS ON SPECIMEN, FIRST USING THE COARSE AND THEN THE FINE FOCUS CONTROLS. YOU MAY HAVE TO MOVE THE SLIDE AROUND ON THE STAGE OF THE MICROSCOPE TO BRING THE SPECIMEN INTO THE VIEWING AREA. Microscopy is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye). There are three well known branches of microscopy: optical, electron, and scanning probe microscopy.