Negative Supply Two Axis Hot Shoe Bubble LevelThe Negative Supply Two Axis Hot Shoe Bubble Level is a simple but useful accessory for achieving accurate camera alignment during film scanning. It mounts onto a standard hot shoe or cold shoe and helps you level your camera across two planes.Correct alignment is especially important in camera scanning, where the camera and film need to be as parallel as possible for sharp, even results across the frame. This bubble level gives you a quick visual reference when setting up your copy stand, film carrier and camera position.It can be mounted in either a horizontal or vertical position and is also useful outside of film scanning, helping keep horizons and straight-line elements level when shooting in the field.System Compatibility NotesThe Negative Supply Two Axis Hot Shoe Bubble Level is compatible with cameras that have a standard hot shoe or cold shoe mount. For film scanning, it is intended to help align the camera accurately with the film plane when using copy stands, film carriers and other scanning tools.Key Features Two-axis bubble level for camera alignment Mounts to a standard hot shoe or cold shoe Helps level the camera across two planes Useful for achieving better parallelism when film scanning Crystal clear housing with two bubble levels Can be mounted horizontally or vertically Also useful for general photography and keeping horizons straight