A camera body is the main part of a camera that houses the internal components, such as the sensor and processor. It is the structure that you hold and operate, and it connects to various lenses. Camera bodies come in different types, including DSLR and mirrorless models, each offering unique features and benefits for photographers. The choice of a camera body can significantly affect image quality and usability. Features like ISO range, shutter speed, and autofocus systems vary between models, influencing how well the camera performs in different conditions. Understanding these aspects helps photographers select the right camera body for their needs.