Easily identify if your camera is set up level on a tripod. A must have product for macro . Compatible with most DSLR Cameras with a Standard Hot Shoe Mount. Made of plastic, being light, in a small size, high quality and novelty design. Note: Not / Alpha cameras because of different hot shoe design. The spirit level mounts effortlessly right into camera's hot shoe, and it can be easily placed on a flat portion of the camera, which corresponds to the lens ., Manufacturer: Jkjlorey