Half press the shutter release button of the remote control cable for auto focusing and metering Press button completely to The shutter‑release button can be used for long‑exposure shoots and continuous shoots Suitable for GFX50S GFX50R XT100 XT30 XT10 XT20 XPR02 XF10 X70 XA10 XH1 X100T The remote control shutter release cable is effective tool to vibrations during long exposure, close‑up (macro) or continuous shoots