HPM 100 LED digital student's microscope

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 condenser serves to ensure a uniform homogeneous illumination of the object. The Abbe condenser consists of a lens system and an adjustable diaphragm. With it, you can set the optimal contrast for the object.

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

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