Image stabilizer, or image stabilization system, is a set of techniques that reduce motion-related blur during a camera’s exposure. They try to compensate for small movements and vibrations of the camera. In this way, the image received by the sensor remains stable while the shutter is open. Sometimes the stabilizer is built into the camera or lens.

One situation in which an image can be blurred, blurred, out of focus … is the lack of ambient light. In these situations an image stabilizer will correct the unavoidable vibrations that occur when holding the camera freehand.

Image Stabilizer Usage Modes

These are the two ways of using an image stabilizer.

  1. Active mode. It is ideal for suppressing vibrations caused by linear movement external to the person taking the photograph.
  2. Normal mode. It is recommended to reduce the vibrations produced by the movement caused by our pulse.

Types of image stabilizers

Within the stabilizers we can find two different types depending on where they are located.

  • Optical stabilizers. They are located on the lens of the camera and allow stabilization by means of sensors that locate the movement of the camera. Once the movement is located, they transfer the information to the stabilization lenses, acting as a flexible prism. This will allow you to change the angle of light passing through it in the opposite direction to camera movement. As they are installed in the optics, each one has the specific system that is more adapted to it so they are more detailed and effective. In addition, when the stabilized image reaches the sensor, we can see it stable before shooting. The downside is that they consume a lot of battery and also tend to be expensive every time we buy one.
  • Mechanical stabilizers. This type of stabilizers detect movement by means of sensors placed on the body of the camera, correcting the image through the movement of the sensor. Therefore the lenses do not move but it is the sensor itself that moves to balance the image.

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