Continue until the image comes into focus.
The microscope should be stored with the oil immersion lens in position over the stage.
Arm connects to the base and supports the microscope head.
This alone will extend the life of your microscope.
One of the safest materials that is effective on deposits of this type is one of the commercial lens cleaning fluids for precision optics, which are usually composed of distilled water to which small proportions of a surfactant and alcohol are added see examples in Figure 7.
When the microscope is not in use keep it covered with the.