Rollei Camera Bubble Level Set Simply slide it into the hot shoe of the camera Universally usable Small and light design Especially for long-time exposures of landscapes with the use of filters its a question of aligning the camera precisely level with the horizon line. Most Rollei stands are equipped with numerous spirit levels (bubble levels) as standard features so that you can be sure that you are always shooting straight even under poor lighting conditions or in confined areas. However, anyone, who would like to align the camera independently of the stand, needs additional spirit levels, which can be simply installed and dismantled. 4-piece set for all eventualitiesYou simply insert the plug-on levels of the Rollei Spirit Level Set into the flash shoe of your camera. The extra narrow spirit levels have a salient, clearly visible black circle for the precise levelling of your lens. Even if you inadvertently lose a bubble level, you also still have even