What are the different Auto focus modes on a camera?

Most modern cameras have multiple autofocus (AF) modes that allow you to choose how the camera focuses on a subject. Here are some of the common autofocus modes:

1. Single point AF: This mode allows you to manually select a single autofocus point to focus on a specific part of the scene.

2. Zone AF: This mode uses a cluster of autofocus points to focus on a subject within a specific area of the frame. This is useful for capturing moving subjects that are likely to move outside a single autofocus point.

3. Wide area AF: This mode uses a larger group of autofocus points to focus on a subject anywhere in the frame. This is useful for capturing subjects that move around the frame.

4. Tracking AF: This mode tracks a moving subject and keeps it in focus as it moves around the frame. This is useful for capturing sports or wildlife photography.

5. Face detection AF: This mode detects and focuses on human faces, which is useful for portrait photography.

6. Eye detection AF: This mode detects and focuses on the subject's eyes, which is useful for portrait photography to ensure sharp focus on the subject's eyes.

7. Manual focus: This mode allows you to manually adjust the focus by turning the focus ring on the lens.

Different cameras may have different autofocus modes, and it's important to understand which mode is best for different shooting situations. By choosing the right autofocus mode, you can ensure that your subjects are in sharp focus and that your photos are of the highest quality.