MRTV Flight sim comparison

MRTV Sebastians latest video of a MRTV Guest trying out the Pre 8kx, the HP Reverb and Valve Index.
Thank you Sebastian. :0)

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And the IPD not going low enough raising it ugly head again.

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Maybe I am not such a unicorn after all - I had to set the IPD to the lowest dial possible in the 5K+/8K, which is approx. 60,0, although my measured IPD is 64,0.

This would then lessen the awkward feeling off on the stereo convergence which I feel in the pimax headsets. But I still felt that I would have wanted to dial it even lower to possible get rid off it completely.

But I must admit I sold my 5K+ and put my loaner 8K back in its box (due to my last Vive base station having died on me) prior to the new PiTool feature of changing the software “positioning” per eye, which some reported to have done a miracle for them, so there’s some hope that this will also do the trick for me.

It seems the same basic issue is still around. Well, didn’t expect it to be resolved as the lenses and mechanism are still the same. And I could get used to it after a couple of hours of Pimax use. Ideally without using other headsets inbetween. Which was not an issue at the time, but now with the Quest being a nice piece of hardware if I want to go untethered or experience VR in another room/place, it may be a slightly bigger inconvenience again.

Well, I’ll see. The Index kit will make its way to me one day, and when the 8KX joins the party, I will compare them over a couple of weeks and probably make a choice.

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This interview reminds me of the preview MRTV did. If you stop watching about half way through, it feels like the 8KX has too many issues to be good. By the end of the video, though, I’m feeling much more positive about it…

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I felt exactly the same while watching the guests response. I wanted him to be wowed by the pimax clarity, but unfortunately the pimax requires a little tinker time to be at its best especially the ipd offset. I’m 64 normally on all headsets but I have to set it to the minimum possible on the 5/8K. The index is fantastic for that plug and play experience but they both have value. Pimax really should If possible include the deluxe audio with all 8kx sales. The guest mentioned the sound several times in his comparison, I know the pimax isn’t final but it’s got to be on par with the Index out of the box. I think the deluxe will be able to do this but not with the oculus style standard.

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I really feel that the Pimax needs to have a program to help configure the headset for each user. Some tests you can do to guide you through setting up the IPD (hardware and software etc) for the best image quality and least distortion/eyestrain. I’ve had the 5k+ for about a year - although only really used it in PC2 whilst waiting for Plan F to arrive - and I still have no idea if I’ve set it up correctly for my eyes. Whatever I set the IPD to, it doesn’t really seem to make much of a difference so I don’t know if thats a good thing (huge sweetspot) or a bad thing (it always setup wrong for me)

When I get the basestations, which are apparently on the way now, I’ll go through the post somebody created which may help setting it correctly.

However, there should be a utility built into PiTool so that you always get the best possible image - I think this would stop a lot of the issues that people have.

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Don’t worry if you aren’t seeing big changes with IPD adjustments. My last glasses Rx, done about 3 years ago and overdue, measured me at a 61.5mm IPD. I set every VR headset to 64mm. I’ve had VR since 2016 (Vive, then Rift, PSVR, Dell WMR, Odyssey, Odyssey+, Go, Quest, Pimax 5k+). In all of those that have an adjustable IPD, I can see subtle alignment around 64mm where clarity is the highest. I’ve never seen radical shifts in world scale or major convergence issues or really any eye strain. I could jump in my Pimax and set it to 60 or 70 and play it fine, just less optimal than at 64. Meanwhile other people seem to have wide variance with IPD. Interestingly with PiTool, if I change any of the software IPD offset, I see a huge shift. The world geometry bends differently when I turn my head, and it’s immediately very problematic. It’s made me wonder if that is what others experiences when their IPD isn’t set correctly in a headset. In the end we all seem to be very different. I’m not yet convinced that eye-tracking and auto-IPD are going to be able to accommodate for these yet unexplained subtle differences we all experiences.

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Maybe I should fiddle with the software offset and see if it makes things better or worse.

From other discussions it seems that the hardware offset also adjusts the software offset so that the picture doesn’t move. I guess the software offset then changes the stereoscopic distance (like the option that exists with nVidia 3d vision).

Anyway - this is a bit off topic so I’ll stop there…

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Well, in Pimax’s defense, we all know that getting your settings right and figuring out how to correctly wear the device is much more challenging than any other headset. But after a while it’s possible to improve things, so it’s possible things would get better for him if he had one at home.

And then, I almost always change my opinion about a new headset within the first few days. I don’t think first impressions say too much. Of course it’s interesting to hear them but I think the real verdict will come when people receive theirs and can use the device for several days.

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Hi,
Someone had modified his Pimax hmd to mechanically reduce the IPD to less than the default 59.9 mm.

Why can’t Pimax change their new production models to be able to obtain say a 55 mm mechanical IPD? @PimaxQuorra @SweViver @PimaxUSA
If a user can do it, than Pimax surely ought to be able to do that as well.

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@SweViver @PimaxUSA

Guys, taking into account that the chap in the MRTV experience clip said something very similar, this seem to be an issue which is spread wider than I thought.

Is Pimax aware of it, and if yes, which remedies are available ? I suppose Pimax cannot easily allow for lower IPD settings in the IPD dialer because likely the two lenses are brought as proximate as technically feasible. Is there any other proven approach to address this issue ?

And as a bonus question: will you release a guide / FAQ to collect all such useful remedies, workarounds, etc. which are spread all over the forum (and I recall Sweviver also made some videos around the release time of the 8K, etc. last year to help people with their initial setup) but will be incredibly difficult for a new user to get hold off. It would make sense to introduce a new mainsection for the entire collection of setup guides, FAQ’s & work-arounds. I just had a quick look on the forum but coulnd not find any such visible collection…

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I fear for his social distancing practices.
@mixedrealityTV

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The response from Pimax and some others has all ways been, disagree, deny, deny, disagree that there is anything wrong with IPD, now more HMD are out there it is starting to show up to be more of a problem, unfortunately.

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The video was recorded before Corona. I unfortunately had to shut down the MRTV Experience in the meantime :frowning:

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Good to hear. Wouldn’t want to lose you. Love the t-shirt btw. :+1:

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Hi Seb, thank you very much for this video! I have a question, not counting Oculus Press, were there any mediocre or bad experience from users trying 8kX (while functionning) during CES20? Surely some people were not convinced, but I cannot remember any during your and Sweviver coverage.

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Hopefully you’ll be back up and running again soon Sebastian. :+1::grinning:

I don’t think that that is a substantial part of his revenues (unfortunately, because it is actually quite nice to be able to test the headsets hands-on) - and he may even see his Youtube stats grow as a result of Corona because people spend more time at home in front of the computer. But then again, it attracts mainly VR enthusiasts - that’s the breed of people who wouldn’t even notice for months if they had been bitten by a vampire because they have a history of avoiding the sun at any cost… :wink: so probably no big difference in YT revenues after all…

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Another vote for using the smallest IPD value on my 5K+. My IPD is 63.5. I dial it in the lowest setting possible.

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Curious as to what motivates you to drive it down below your actual IPD.

Is it just a general comfort or eye strain thing? Does it appear sharper? Is it so that you get more binocular overlap?

My IPD is 61.5, but I set my Pimax (and other headsets) generally larger is I find a touch better alignment of sharpness somewhere around 63.5 to 64.5. The fact this is true in every HMD makes me think my optician measured my IPD wrong.

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