How to accurately focus a SLR camera, that is, how to control the focus point so that the focus is on any point?

1. Set the lens focus mode switch to mf (manual focus).

2. Display the magnification frame: On the back of the camera, press the magnification button to see the partially enlarged image on the camera screen.

3. Move the magnifying frame to the position where you want to focus accurately. If you want the magnifying frame to return to the center, press the set key or delete key button.

4. Magnify the image: Each time you press the magnification button box, the magnification will be one time, five times, ten times and cancel the magnification cycle.

5. While looking at the magnified image, turn the lens focus ring to focus on the image in the magnifier. After achieving focus, press the magnification button to cancel the magnified display and return to the normal display interface.

6. After obtaining the appropriate focus and exposure, press the shutter button to take the photo. Extended information

Breakdown of the camera's autofocus function:

1. Autofocus

This function is named automatic, that is, when the shutter is pressed halfway (without releasing it) (or deep press), the camera determines the focus working mode by itself. When the subject is static, the camera will intelligently call single focus (AF-S); when the subject is moving, the camera will intelligently call continuous servo focus (AF). -C).

Features: The camera intelligently selects the focus mode according to the subject, not just what you think.

2. Single-shot autofocus

When you press the shutter halfway (without releasing it or pressing deeply), the camera focuses on the subject and locks the focus unchanged; if you change the subject If you want to focus on the subject, you need to release the shutter and press it halfway again to focus on the subject.

Features: When you press the shutter halfway and hold it down, the straight-line distance between the camera and the subject is not changed, and the subject is clearly imaged. It is suitable for shooting still life.

3. Continuous servo focusing

When the shutter is pressed halfway (not deep or deep), the camera focuses on the subject. If the subject moves or changes, the camera automatically focuses. Focus on the subject.

Features: When the shutter button is pressed halfway, the camera will automatically refocus on the changed or moving subject, which is suitable for shooting dynamic animals.