TLDR
Apparently, PiTool Beta and associated firmware breaks DCS World Beta 2.5. If you want to run DCS, for now, do NOT use PiTool Beta, or SteamVR Beta. If you have already upgraded headset firmware with PiTool beta, you may need to downgrade for now. See a few posts down for software/driver versions known to work.
Also, be realistic about what your CPU/GPU can handle in terms of resolution/quality.
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Just received my Pimax 5k+ today. Extremely impressed by the extraordinary clarity in DCS World… even the small ADI gauge in the FA-18/C is actually readable. Comfort is a huge bonus too… never felt a VR headset so lightweight.
Unfortunately, even with 16ms frametimes, in fact even when the frametimes are mostly below the 13.8ms cutoff for 72Hz FPS, DCS World shows two images whenever the headset is moved. This is ghosting, seeing two frames at the same time, not a cross eyed effect.
With Oculus, this kind of problem could be resolved by toggling ASW on/off. With Vive, NVIDIA hardware or a solid 90FPS framerate was needed. With Pimax, I have tried various software versions and settings without success.
This kind of artifact usually indicates inappropriately reprojected frames being inserted into the pipeline.
As it is, I am very glad Pimax has managed to bring such top-end hardware to marked, so the last thing I want to do is complain. This does seem to be a Pimax specific issue though, so I am reporting it here. Thank you again for the hardware, and hoping for a solution soon.
Also, I am requesting reports as to not/working computer hardware at Eagle Dynamics (DCS) forums. My CPU/GPU is AMD Ryzen 2700X and NVIDIA 2080 GTX Ti .