Sorry, but the mountain you name Mount Everest is actually Cho Oyo (8,188 m.)
Everest is the peak on the far left in this screenshot from your video. It is much further away from your viewpoint.
For anyone wanting to achieve the best possible IQ there is only one way and that is shooting DNG and "develop". There is obviously more work involved because all raw files need to be "developed" using specialised software such as Photoshop or...