Understanding focus modes (AF-S, AF-C, etc.): try it yourself

1. AF-S Still Life

Use single-shot AF on book; press once; shoot.

2. AF-C Moving Toy

Use continuous AF on rolling ball; hold button; track motion.

3. AI Servo (Canon) / AF-C (Nikon)

Practise on fan blades or pet running.

4. Focus Mode Switch

Change modes based on subject; still = AF-S, moving = AF-C.

5. Back-Button + AF-C

Combine back-button with continuous AF for pro control.