SmallRig Low-profile NATO Rail 50mm BUN2468B It can also be used

It can also be used on Leica's smaller APS-C sized sensors cameras

and an extension pole allows you to add more length to those mounts

thus it can hold most smartphones

which can be expanded to ISO 102400

More than 16 times the size of an average smartphone sensor

SmallRig Low-profile NATO Rail 50mm BUN2468B It can also be usedSmallRig BUN2468B Overview Key Features Add NATO Rail to Your Rig 0. 2" Thin Low Profile Design 2" Long, 2 x Safety Pins Mounts with 2 x 1 4" 20 Screws Aluminum Construction Attach NATO accessories such as a monitor, extension arm, or light to your camera cage or rig with this 2" Low Profile NATO Rail from SmallRig. This lightweight NATO rail measures only 0. 2" thin and 2" long, and it attaches to your cage or rig using the two included 1 4" 20