- To gain experience in the care and use of the compound light microscope
- To prepare wet mounts of animal and plant tissues
- To observe living protozoa and vinegar eels
- 2.5: Diameter of Field
- The field is the circle of light that you observe when you look into the microscope. The diameter of this field changes as you increase magnification. There is an inverse relationship between magnification and diameter of field.
Thumbnail: A compound microscope in a Biology lab. (CC BY-SA 4.0; Acagastya via Wikipedia).