Med-Prax plus microscope, binocular

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.

The upper element of a microscope. An eyepiece consists of several lenses and is used for visually observing the object. In microscopy, the magnification power is expressed as -x.

Describes the position in which you look through the eyepiece, for example at 45° or straight.

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