Electronic Image Stabilization (EIS) is a technology used to suppress image blur caused by hand shake during photography or video recording. Unlike optical stabilization, which uses moving lenses or a sensor, EIS operates on a software principle. The camera sensor captures a slightly larger image than the final recording. The software then analyzes camera movement and digitally shifts the image crop to compensate for shakes, making the resulting video appear smooth. A disadvantage of this method is a slight narrowing of the field of view, as only a portion of the image from the sensor is used for stabilization. This method is widely used, especially for video recording on mobile phones and action cameras.
