Here's a video I shot with the GX80.
The interview was shot with a Pentax Tokina 28mm f2.8.
Exteriors were mostly shot with the kit 12-32mm kit lens. I was planning on using my old Pentax 28mm, 50mm and 135mm lenses with a newly bought Camdiox/Roxsen focal reducer, but found the middle of the image was cloudy. I ended up using the kit 12-32mm without an ND filter, so have a lot of overexposed footage.
Edit - A small error near the end of the video. I'll need to reupload a fixed version.