SFC 3A monocular microscope with plastic case and accessories

The light source illuminates the object and is available in various forms.

Specifies how much larger an object appears compared to when viewed with the naked eye.

This refers to the magnification factor of a single microscope lens. A lens with the number 40 is referred to as a scale of 1:40 or simply a factor of 40 times. If you multiply the lens factor by the eyepiece factor, you get the magnification.

A focusing wheel is used to focus the microscope on the particular object.