Image stabilization is a technology designed to suppress blur caused by unwanted camera movement during exposure, typically hand shake. This problem is more pronounced when shooting with longer shutter speeds, for example in low light, or when using lenses with high magnification, known as telephoto lenses. There are two main types of this technology. The first is optical stabilization, which works at a hardware level. Using gyroscopic sensors, it detects movement and physically shifts either an optical element in the lens or the image sensor itself within the camera body to compensate for shakes. In-body image stabilization is often referred to by the acronym IBIS (In-Body Image Stabilization), and its advantage is that it works with any attached lens. The second type is electronic stabilization, which is a software solution. The camera records a slightly larger image than the final shot, and then uses software to shift the cropped image to counteract movement. Some devices combine both approaches to achieve better results.
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