What does it mean to focus and recompose?
Focus and recompose simply means choosing your camera’s focus by depressing the shutter half-way with your subject centered in the frame, and then “recomposing” your image by moving your camera while keeping the shutter depressed. If you are taking pictures of a person, their eyes should be used as your point of focus.
What is Al Servo and Al focus?
AI Focus tracks focus continuously until the subject stops, then it locks focus, and then tracks again if the subject begins to move. AI Servo continuously tracks focus and never locks.
How do you focus and recompose with back button?
Use the focus point selector and place the desired focus point on your subject. Press the AF-ON / Back button with your thumb to acquire focus. Release the AF-ON / Back button to keep and lock focus where it is. Recompose your shot and take a picture.
What is Back button focus?
What is back button focus? Once enabled, back button focus will mean that half-pressing the shutter no longer has an effect. All the shutter button will achieve is firing the shutter once fully depressed. Instead, the action of focusing is moved to a button on the back of the camera – usually the AF-On button.
What is AI focus?
It is often said that AI Focus AF is a cross between One Shot AF and AI Servo AF; it behaves like One Shot AF until the subject moves, after which it behaves like AI Servo AF. In One Shot AF mode you can focus on your subject with a half-press of the shutter button (or by pressing the AF-On button).
What does AI Focus AF mean?
Does Back button focus lock focus?
Under a camera’s default settings, pressing the shutter release halfway will focus the shot, while pressing the release all the way will take the photograph. Holding the back button continuously focuses, while pressing the button once focuses and then locks the focus.
What is the point of back button focus?
Back button focus separates the focus and shutter release functions, moving the former to the AF-On button at the rear of the camera. This button is operated with your thumb and will quickly feel natural to you with a little bit of practice. Now, when AF-On is depressed, the camera will focus.
When to use AI Servo AF for moving subjects?
[AI Servo AF] for Moving Subjects. This AF mode is for moving subjects when the focusing distance keeps changing. While you hold down the shutter button halfway, the subject will be focused continuously. The exposure is set at the moment the picture is taken.
How does AI Servo work on a camera?
With AI Servo autofocus mode, when you depress the shutter button the camera focuses on your subject and tracks their movement. What’s more, it ensures they stay in focus by predicting the subject’s movements. The focus continually changes to keep the subject sharp, even if the subject or the photographer is moving.
What’s the difference between one shot AF and AI focus AF?
[AI Focus AF] switches the AF mode from [One-Shot AF] to [AI Servo AF] automatically if the still subject starts moving. After the subject is focused in the One-Shot AF mode, if the subject starts moving, the camera will detect the movement and change the AF mode automatically to AI Servo AF.
Which is better one shot or AI Servo?
Or if your subject moves out from under your autofocus point (and you’re not using some form of broad AF tracking), the AF will focus on the background instead. But AI-Servo is certainly better for moving subjects than One-Shot AF, which consistently focuses behind the subject. Make sense?