What resolution on eye need for 8k?

russ258

Hello. I wonder what resolution need to set in settings for getting better picture of quality for 8k videos? Default on Reverb G2 I have 3156x3096 100% Is it enought or I need to increase it?

gurphh

I would like to know this too, how video resultion relates to display resolution. I guess it depends on the optics, FOV, projections etc. But I tried lowering it to 20% on my G2, and while I could see a difference in the DeoVR user interface, I couldn't really see any difference in the actual videos until I lowered it even more. But the current 8K videos are probably upscales, so I don't know what resolution you'd need for real 8K video. Someone should make a resolution test clip.

russ258

gurphh I a bit increased FOV by MRTV method and got prescription lenses which improved little bit visual quality. But still Interesting what resolution required to use for better picture. I use at present 120% with my rtx 3080. Tried 150% for some reason SteamVR has some issues sometimes, like black -blue screen.

Rakly3

By default I would take the display resolution of the headset. I assume this would be the resolution per eye(?)

But the current 8K videos are probably upscales

Yes, but not necessarily. The actual visual quality is never the video frame specs.
ie a 6k VR video 180° equirect on a Quest 2 is visually more like 2.3k
So even if the 8K videos were true 8K, you still wouldn't be seeing 8k.

PPD (Pixels Per Degree) also comes more into play rather than the full display pixels.
Quest 2 horizontal FOV, let's take 90° x a PPD of 26 = 2,340
Not exact numbers, didn't take vertical FOV into account, but close enough for illustration.

This is different for 3D rendered visuals even on the same device. For 3D rendering the device will be able to display the full 8K (4K+4K) quality, or whatever resolution the display is.

gurphh

Rakly3 So even if the 8K videos were true 8K, you still wouldn't be seeing 8k.

Of course not. (It kind of looks like you're correcting me, but I don't know where I was wrong. 🙂)

Rakly3

gurphh You weren't wrong, I just like to butt in 😃