Microscope is a commonly used experimental tool in scientific research, medicine, teaching and other fields. It is mainly composed of objective lens and eyepiece, of which the eyepiece is an important part of the microscope. The magnification of the microscope eyepiece refers to the magnification of the eyepiece under the condition that the magnification of the objective lens remains unchanged. Currently common microscope Ocular Lens Magnification magnification of 5 times, 10 times, 15 times, etc., the specific magnification depends on different models of microscopes. In general, the greater the magnification of the eyepiece, the less friendly to the observer’s eyes, that is, the stronger the sense of fatigue.

When working in the microscope, the magnification of the ocular lens Magnification will have an impact on the microscope observation. Firstly, the greater the magnification of the eyepiece, the lower the resolution of the microscope, that is, the size of the details of the object can be distinguished will become larger. Second, the magnification of the eyepiece also affects the size of the microscope’s field of view, which is the size of the objective lens visible in the microscope view. Finally, the magnification of the eyepiece also affects the viewing distance of the microscope, that is, the distance between the microscope and the object being observed. Therefore, when we use the microscope, we need to consider the magnification of the eyepiece, combined with the actual need to choose a different magnification of the microscope.

Eyepiece magnification can be calculated by the following formula: eyepiece magnification = microscope field of view diameter / objective lens field of view diameter.

Among them, the field of view of the microscope is the size of the field of view observed by the eyepiece, the field of view of the objective lens is the size of the field of view observed by the objective lens. When calculating the magnification of the eyepiece, it should be noted that the magnification of the microscope and the objective lens should be consistent.

Microscope is one of the indispensable tools in modern scientific research, medicine, teaching and other fields, the ocular lens as an important part of the microscope, its magnification has an important impact on the microscope observation. Correctly selecting the magnification of the ocular lens is an important prerequisite for the correct use of the microscope.