Panasonic LUMIX DC-GH6 Owner's Manual page 205

Focus / Zoom – Recording with Zoom
Interchangeable lens that supports power zoom (electronic zoom)
Move the zoom lever.
(The zoom speed varies depending on how far you move the lever.)
•
If you assign [Zoom Control] to an Fn button, you can operate optical zoom slowly by
pressing 21 or fast by pressing 34. (
Interchangeable lens that does not support zoom
Optical zoom is not available.
The focal length is displayed on the recording screen.
≥
•
The focal length display can be hidden:
( [Focal Length]:
(T)
(W)
35mm
571)
Fn Buttons: 517)
205