What is single auto focus?

The “Single AF” mode (AF-S), also known as “Single Area AF” on Nikon and “One-Shot AF” on Canon cameras, is a pretty straightforward way to acquire focus. You pick one focus point and your camera will look for contrast just in that single focus point.
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What is the difference between single and continuous autofocus?

Continuous vs Single Autofocus

You're then free to recompose while the subject is in focus (as long as the distance between you doesn't change). On the other hand, continuous autofocus will continue to try to focus on whatever subject is under the chosen focus point. Moving subjects are perfect for this mode.
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What is single-point autofocus?

Single-point AF gives you pin-point accuracy, allowing you to select just one AF point. This means you can tell the camera precisely where you want it to focus. It's more suitable for stationary or slow-moving subjects, as it's difficult to keep it aligned with something moving quickly.
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What is the difference between single focus and continuous focus?

Continuous AF keeps adjusting focus to ensure whatever is in-frame at the given focus point is sharp in the captured image, perfect for tracking a bird in the air. Continuous Autofocus strives constantly to keep whatever is in the active AF point perfectly sharp.
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What focus mode should I use?

You should use AF-C focus mode whenever you're shooting action. An action shot like this is a lot easier in AF-C! You see, AF-C mode allows you to focus and refocus, or focus and track a subject as it moves throughout the frame.
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Cameras Focus Modes Explained: When to Use Continuous Auto Focus, Single Auto Focus or Manual Focus

How do you use auto focus?

How to Autofocus Your DSLR in 3 Easy Steps
  1. Step 1: Set Lens to AF Mode.
  2. Step 2: Switch Camera to Live View Mode and Zoom in on Subject.
  3. Step 3: Hold the AF-ON Button Until Camera Auto-Focuses.
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Should I use continuous autofocus?

We generally recommend using AF-C when shooting families with wiggly toddlers! The drawback of continuous focus is it uses more battery and the camera doesn't always predict the movement of your subject correctly. And how fast and accurately your camera grabs focus on the subject is influenced by the lens.
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Which AF mode best for video?

The Face/Eye Detection AF mode is a great option when creating movies, and is very useful if you're recording a moving figure approaching the camera, making a vlog, or if you've chosen to use a very shallow depth-of-field.
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Do pro photographers use autofocus?

For most of the twentieth century, manual focusing was the only method of focusing a camera until autofocus became a standard feature of more modern cameras in the 1980's. Most professional photographers continue to forego using an autofocus system because manual focusing allows them maximum control over their images.
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What is oneshot autofocus?

One-shot autofocus is the name of Canon's Single-Servo autofocus system, that focuses on a subject once, and then stops focusing. The acquisition of a focus lock is often indicated by a beeping sound from the camera.
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What is single focus in photography?

This is where autofocus area modes come into play: Single-Point autofocus: The camera uses one focusing point to autofocus – the focusing point you've selected. This is good when your camera and subject aren't moving, and you don't need any tracking capabilities.
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Why would you use single point AF instead of all the AF points?

When you choose the “Single Point” (Nikon) or “Manual AF Point” (Canon) AF-Area Mode, the camera only uses one focus point that you choose in your viewfinder to acquire focus. So if you move your focus point up/down/left/right, the camera will detect contrast only on that particular focus point.
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What focus mode should I use for portraits?

Focusing: Set the camera to Single Area AF, to ensure that the area you focus on is sharp. For a portrait, the eyes should be the sharpest part of the image. If your final image will have the subject off-center in the frame, you will have to make sure the focus point is set correctly.
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Should you use autofocus or manual?

Autofocus is generally faster and easier than setting the focus manually. It can lock onto a subject faster, as well. This makes it suitable for shooting moving subjects. If you're doing street photography, for example, you could only have seconds to capture your subjects.
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What is AF-S and AFC?

There's AFS, for auto-focus single, and AFF for auto-focus flexible, then there's AFC for auto-focus continuous, and MF for manual focus. Let's start with the simple auto-focus modes. AFS is auto-focus single. This is where the camera focuses, locks, and then doesn't refocus again.
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Should I use autofocus video?

Autofocus can be a great help when you're making documentaries or anything that might be unpredictable. For example, if you need to adjust other parameters and focus when things shift quickly, something might slip, leaving your footage less than optimal.
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What AF mode should I use for sports?

It's best to shoot sports photos in aperture priority mode to give you full control over your aperture. The wider the aperture, the more distinct your subject will become – most sports photographers favour aperture settings at around f/2.8 to f/3.5.
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What is the difference between AF-C and AF-S?

AF-C (AF-continuous or servo mode) is used for photographing moving subjects. AF-S means single shot and is used for subject that is stationary. AF-A is where the camera decides whether the subject is moving or not and tries to alternate between the servo and single shot mode accordingly.
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Is AF-S better than AF-C?

To recap, photographers use different autofocus modes depending on their subject. They use AF-S to shoot subjects that do not move, while moving subjects are usually shot using AF-C. Most photographers rarely use AF-A and sometimes are in a situation where manual focus is best.
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What is AF and MF on lens?

Manual focus (MF) is the function to let the photographer adjust the focus manually instead of the camera. Although autofocus (AF) shooting is more typical in digital cameras, MF is effective when focusing is difficult with autofocus, such as in macro shooting.
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How many autofocus points do I need?

As it turns out, the number of autofocus points you need is probably less than you'd think. In reality, you only need one autofocus point for your camera to get focus. However, having more autofocus points across your frame makes it easier for you and your camera to focus on a subject.
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What is 1 point AF in Canon?

AF points and AF areas

Cameras are equipped with an array of AF points that the autofocus function uses to focus on the subject. Different camera models have different numbers of AF points. An AF area is a cluster of AF points within the image area that are used to determine focus.
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