After the college entrance examination, how to avoid burns by taking pictures of beginners who learn photography from scratch during the holidays?

The college entrance examination is over again! A three-month holiday is really long. You can learn photography to enrich yourself. Today, I sorted out the focusing principle for everyone, and the novice Xiaobai can stop shooting!

Focusing is a process in which the camera clearly images by moving the object distance and distance.

Focusing methods are divided into automatic focusing (AF) and manual focusing (MF). Most SLR cameras have AF/MF switches on their lenses.

Auto-focusing means that the camera adjusts the lens through infrared devices, mirrors and motors to complete focusing.

Usage scenario:

1. Suitable for shooting moving objects and making the camera focus automatically.

2. Press the shutter for autofocus.

Most cameras have fast and accurate autofocus, which is suitable for you to capture passing scenery, especially street shooting.

Manual focusing is a focusing method that adjusts the camera lens by manually rotating the focusing ring, so as to make the taken photos clear.

Usage scenario:

1. Macro photography: Manual focusing can be used for precise focusing.

2. Shooting backlight: Too much light, making autofocus difficult.

3. Low light environment: the camera autofocus can't focus.

4. There are obstacles: the camera is easy to focus on obstacles, so we need to focus manually.

Focus mode

1. AF-S: still objects, scenery. High focusing accuracy.

2. Continuous autofocus (AF-C): Moving objects, racing cars, the focus will move with the subject, and moving objects can be photographed.

3. Camera autofocus (AF-A): Shooting still and moving objects.

Focus selection

1. Point focusing: Manual focus selection, high focusing accuracy, after-focus shooting. Let the eyes of the characters come to life.

2. Wide-area focusing: The camera determines where the focus is. If there is face recognition, it will focus on the face.

3. Area focusing: continuous shooting in a limited range.

Shutter speed is not fast enough, which is a common reason for pasting.

It is recommended to use a safety shutter.

Safety shutter = focal length X 2

Safety shutter is the shutter speed value for taking clear photos.

If the focal length is 50, the safety shutter is1100.

If the focal length is 100, the safety shutter is 1/200.

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