A:Answer After doing alot of research prior to my purchase of the 850c, the one thing I was able to understand about 4K HDR, is that to fully experience 4k HDR , both your TV and viewing content has to have HDR. For instance, the only program on Netflix that has HDR is the series Marco Polo. I will say that the picture is crystal clear. I noticed when viewing a movie (streaming or blu-ray) or even a 4K youtube video with the HDR setting on that isnt already HDR compatible, whites and reds are too bright and dark scenes seem a little grainy. More of Netflix's shows will be in HDR later on in the year. Amazon has a few as well. Some of their original series is in 4K HDR. HDR is the next big thing in 4K tv's. And i noticed when I started watching marco polo, my TV automatically switched to the HDR picture mode!!! Hope this helps.
