here are a few of my 4k videos from my rx100iv
https://www.youtube.com/watch?v=XbbgwXoVggc
<iframe width="560" height="315" src="https://www.youtube.com/embed/XbbgwXoVggc"frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<iframe width="560" height="315" src="https://www.youtube.com/embed/x9ocjPLJPe0"frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
scott
