The Fujifilm VG-GFX1 Vertical Battery Grip is an optional accessory designed for the Fujifilm GFX 50S medium format camera.
As well as provide a solid grip, shutter release button, command dial, focus lever and six function (Fn) buttons to aid with handling, the VG-GFX1 can also hold an extra battery to enable shooting for extended periods of time, which can also be charged in camera via the separately available AC-15V adapter.