Set the sample on a microscope stage

What points should I pay attention to when setting the sample on the microscope? In addition, how can I focus quickly? By holding the point, it is possible to focus accurately in a short time. Using the microscope (upright) Set the sample When setting the sample, change the objective lens to the lowest magnification. Also, the stage position must be bottom. Place the prepared sample on a slide glass and set it on the stage. Move the sample or XY stage so that the area of the sample you want to measure is located directly below the lens. At this time, using the reflected illumination light makes it easy to…