How to focus the SLR camera quickly and manually?

Fast manual focusing method for SLR cameras;

1. First, click the shutter viewfinder button in the upper right corner of the camera to open the camera viewfinder.

2. After entering, click the "autofocus mode" option version of the camera.

3. Select the "Tracking" option in focus mode.

4. Then click "Set button" to confirm and save.

5. Then click the viewfinder button to return to the shooting interface and complete the manual focusing.

Extended data:

Features of manual focusing:

1, this way depends largely on the human eye's resolution of the image on the focusing screen, the photographer's proficiency and even the photographer's field of vision. Early SLR cameras and paraxial cameras basically used manual focusing to complete the focusing operation.

2. Now quasi-professional and professional digital cameras, as well as SLR digital cameras are equipped with manual focusing function to meet different shooting needs. Focusing is equivalent to focusing, that is, changing the image distance v and satisfying the imaging formula1/u+1/v =1/f, thus forming a clear image on the negative.