AF-S / Single AF
Best for still subjects. Focus locks once, then you recompose or shoot.
Essential Topic
Focus and Autofocus Modes
Exposure can be perfect, but if focus misses, the frame still fails. Learn single-point precision, subject tracking, and when to switch AF modes.
Core Ideas
AF-C / Continuous AF
Best for action. The camera keeps adjusting focus while your subject moves.
Focus area strategy
Use small points for precision portraits, wider zones for fast unpredictable motion.
Practical Starting Points
Portrait session
AF-S + single point on nearest eye
Ensures the most important facial detail stays sharp.
Kids or pets running
AF-C + tracking/zone
Maintains lock while movement direction changes quickly.
Low-light static subject
Single AF + manual focus assist if needed
Avoids focus hunting and gives you control in dim scenes.
Common Mistakes
- Using one-shot focus for fast movement and missing critical frames.
- Letting the camera auto-pick focus points in cluttered backgrounds.
- Ignoring depth of field when shooting very close at wide aperture.
Photo Playground
Focus and Autofocus Modes Visual Practice
Refresh to test your eye on new random scenes while applying this guide's concepts.
Reference
Start by observing tone, contrast, and framing.
original
Monochrome Study
Useful for seeing light and composition without color.
?grayscale
Atmospheric Variation
Simulate mood change and evaluate subject clarity.
?blur=2Practice Drill
Shoot one moving subject in AF-S and AF-C. Count keeper rate and compare.