Lewis Von John and two other photographers shoot landscapes with the Fujifilm GFX 50S, Fujifilm X-T2, Canon 1DX and Canon 7D. In the above video Lewis explains how to use a sekonic light meter and there is a pretty clear comparison of how these different cameras render a similar scene. The Lake District Wrynose Pass, Waswater and Ullswater, where this video was shot look like an excellent place to shoot landscapes and I would love to visit it someday.
Fujifilm also realeased more Fujinon GF 110mm F 2 R LM WR and GF 23mm F 4 R LM WR videos on their global channel. With how difficult it can be to demonstrate the advantages of medium format on the web you think Fujifilm might focus a little less on video for GFX product launches.
Fujinon GF 110mm F 2 R LM WR: B&H Photo / Amazon / Adorama
Fujinon GF 23mm F 4 R LM WR: B&H Photo / Amazon / Adorama
Fujifilm GFX 50S: B&H Photo / Amazon / Adorama
Fujifilm X-T2: B&H Photo / Amazon / Adorama
Fujifilm Instax Square: B&H Photo / Amazon / Adorama
Fujifilm View Camera Adapter G B&H Photo / Amazon / Adorama
Sekonic l-758DR B&H Photo / Amazon / Adorama
X-Rite ColorChecker B&H Photo / Amazon / Adorama