Polaroid Hot Shoe Three Axis Triple Bubble Spirit Level for Canon and Nikon Digital and Film Cameras
Small, Lightweight, accurate, easily stored - just slide the bubble level cube into your cameras hot shoe. Together with a tripod, horizons are easily leveled. This 3-Axis Spirit/Bubble Level makes it easy to line up great shots. Simply put it into the camera's hot shoe/flash mount and check the three bubbles. All lined up? Shoot! Fits most standard flash mounts on SLR or DSLR cameras.