What is the depth of field of a microscope?

Generally speaking, the microscope can see clearly when the raised position and the concave position of the object table observed within the diameter of the field of view. Then the height difference between the convex and concave points is the depth of field.

In general, the depth of field of a high-power objective is smaller than that of a low-power objective.

The depth of field of the camera is easy to understand, in photography refers to the distance between near objects and distant objects in the imaging screen is called depth of field, if in a photo near the camera distant scenes are very clear that the depth of field is large. The depth of field of the camera can be adjusted according to the effect the photo needs to show. So there are a variety of factors that affect depth of field.

Factors affecting depth of field:

1. The larger the numerical aperture of the objective lens, the smaller the depth of field;

2, observe if the product is not polished, it will also have an impact;

3, in the debugging process of light source problems will also affect the depth of field and so on.

The size of the depth of field is not the standard to judge the quality of the microscope, but the selection of two microscopes under the same objective magnification can see the points on the point plane can be seen clearly, and in a certain thickness above and below the plane, can also see clearly, the higher the thickness of this clear part, the greater the depth of field. Mainly suitable for their own observation of the product can be.