Panasonic's full frame cameras share the L-mount system (also used by Leica and Sigma):
Panasonic has announced a roadmap for additional L lenses (as of February 2020):
- 1.4x teleconverter
- 2x teleconverter
- 70-300mm f/4.5-5.6
- 24mm f/1.8
- 35mm f/1.8
- 50mm f/1.8
- wider angle zoom (unspecified focal length, but possibly 16-35mm f/2.8)