The spirit level mounts effortlessly right into camera's hot shoe, and it can be easily placed on a flat portion of the camera. This will help the photographer achieve a finer degree of accuracy in capturing image content. Compatible With almost all DSLR or SLR cameras with a standard flash hot shoe. Multifunctional: It is extremely useful for landscapes and portrait shooting outdoors. With this small item, the deflection of the photo could be avoided. It is a necessary equipment for photography of hight precision night scenery, landscapes, architecture.