A test of the Dual IS of the GX80/85
Panasonic Lumix GX80 Dual IS Test with 100-400mm lens
http://www.thevideomode.com/news/panasonic-lumix-gx80-dual-test-2360/
Panasonic Lumix GX80 Dual IS Test with 100-400mm lens
http://www.thevideomode.com/news/panasonic-lumix-gx80-dual-test-2360/