Ocular lensmagnification

It is important to adjust the distance between the microscope oculars, so that it matches the distance between your eyes. This will yield better image quality and reduce eye strain.

Microscope Anatomy & Function Ocular Lenses The ocular lenses are the lenses closest to the eye and usually have a 10x magnification.  Since light microscopes use binocular lenses there is a lens for each eye. It is important to adjust the distance between the microscope oculars, so that it matches the distance between your eyes. This will yield better image quality and reduce eye strain. Back to Microscope