Ring-shaped illuminating apparatus with variable projection angle

A ring-shaped illuminating apparatus with variable projection angle, the ring-shaped illuminating apparatus arranging on a camera and comprising:

• a fixing ring connected to the camera;
• a plurality of swing plates each having a fixing end pivotally connected to the fixing ring and a free end away from the fixing end, wherein the swing plates can change their status from an opened status to a closed status, while in the closed status, the free ends of the swing plates are close to each other, while in the opened status, the free ends of the swing plates are away from each other, each of the swing plates having an inner face and an outer face opposite to the inner face, the inner faces of the swing plates facing to each other in the closed status;
• and
• a plurality of light elements respectively arranged on the fixing ring and emitting light toward the inner faces of the swing plates.