Sasha is using the microscope below to look at onion cells. Once she has the onion cells mostly in focus, what does she use to make the image even clearer?

When using a microscope, once the specimen, such as onion cells, is mostly in focus, Sasha can make the image even clearer by adjusting the fine focus knob. The fine focus knob allows for small adjustments to the focus, enabling a sharper and more detailed view of the specimen without making large changes to the overall focus. Additionally, she might consider using a higher magnification objective lens, if available, which would provide a closer view, but this also requires careful adjustments with the focus knobs to achieve clarity. Ensuring proper lighting through the microscope's diaphragm can also enhance clarity by allowing more light to pass through the specimen, contributing to a more detailed image.