What is the last step you should do before looking at a specimen under the microscope? Group of answer choices

Optimize the quality of the lighting with the condenser.
Adjust the focus using the coarse adjustment knob at the lowest power objective.
Adjust the focus using the fine adjustment knob.
Center on the area of interest.

Adjust the focus using the coarse adjustment knob at the lowest power objective.

The last step is to adjust the focus using the fine adjustment knob.This is necessary to get the sharpest focus of the object in view.prior to this step the coarse focus is adjusted to get the best focus of the slide by changing the distance between the lenses and the slide. But to get best  clarity the fine adjustment is the last step.

It should be turned continuously until the sharpest image comes to focus

Explanation:

every el niño cycle is different. every year.