| A | B |
| ocular/eyepiece | you look through it to view specimen |
| arm | attaches the ocular and the nosepiece to the rest |
| stage opening | platform where the slide is placed |
| course adjustment wheel | large knob used to focus the image under low power |
| fine adjustment wheel | smaller knob used for focusing the image with high power objective |
| base | supports the microscope |
| high power objective | used to observe a smaller area of the specimen at high magnification |
| low power objective | used to get better look at a large part of speciment |