I’m not sure if VRgineers, Bigscreen and Somnium who are all Western companies would like the Chinese to use their technology.
MRTV never asked the juicy questions like how hard are they to mass produce or how much are these lenses likely to cost per 1000.
If VRgineers get the XTAL 4 out in 6 months that would be incredible.
The fused ones are bound to involve complications.That’s not just two curved surfaces that need to mate with a tight seam; It is two calibrated trains of three such lenses each, each with a front and a back side, and hollow spaces in between each, into which no contaminants can be allowed.
So I with my VR room in the attic (with a rather pathetic mobile AC) and prone to sweating soon & much manage to sit in the sweet sweat spot of this… 
Yes, hot environment is most of Europe in Summer these days though I guess air conditioning helps.
My question here is does sim racing count as a fitness activity?
Increased heart rate certainly with build up of sweat.
I do see some simmers very happy with the crystal, particularly the flight enthusiast crowd such as vr flight sim guy though I think @twack3r made a good statement earlier regarding bulky headsets & inertia. We just don’t know yet how big an impact this small form factor is going to have, it could be so amazing that a relatively small fov seems irrelevant.
True, Europe gets hot, but sitting down with the G2 and a fan pointed at my face I don’t really sweat,even though I would say I sweat above avg. And the G2 doesn’t even have an anti-fogging fan like the BB.
VR is more fun in winter anyway =)
VR flightsim guy seems like a nice guy but you do have to factor in that he has affiliate links and needs to stay on good terms with the companies to continue receiving hardware early. I’ve never seen him truly criticize any hardware, except the Quest Pro, which he never even had (no idea if he ever tried it).
Are you positive the BB has active cooling of the eye-box?
I WAS positive until just now. I swear someone in a video mentioned it. Can’t find any reference to it online now though except an ambiguous reddit post. Now I’m not sure!
I lost 5lbs in a racing marathon one night so I’d say there is some benefit 
People on discord are saying it has a fan to keep the screen cool
Interesting, I hadn’t heard of that.
So ‘to keep the screen cool’ means they have active cooling for the microOLEDs? Or do they mean active cooling like on the Aero/VR-3? Because I have really come to enjoy the latter.
Hear from the horses mouth. 7min mark. No eye box cooling just components.
They clarified some more. Supposedly the fan is to keep the components cool, including the micro oled, which in general get hot apparently.
But the Fan is not pointed in the area where your eyes are, so allegedly you won’t feel the moving air the way you do in, for example, the Quest Pro.
But there’s definitely a fan on board somewhere.
EDIT: as the video above also shows. Maybe this is the one I saw, and then later assumed it would also hit the eyebox.
If lost within one night‘s session I suppose you mainly got dehydrated - I suggest to place a water bottle next to your rig.
It would be fantastic though if sim racing would allow for substantial loss of weight, just hard to believe it will. I mean, I fully dig that the concentration has the brain working on a high level, and the brain is a BIG energy consumer.
But is the tension of the muscles holding on to the FFB steering wheel enough to make it somewhat comparable to a real physical workout?
That would be fantastic news! Can somebody please add some substantiated research to this… perhaps I need to give it a try!
I assume it really depends on what sort of racing you do and even more importantly, what sort of rig you use.
If you go for just a seat and a mediocre FF wheel for a bit of fun in GT or smth similar, I’d imagine the energy expenditure is on par with a session if FIFA.
On the other end of the spectrum, a long endurance race in a 5 or 6 axes simrig with realistically calibrated pedals and a very good FF wheel, I can tell you from personal experience that it most definitely is a strong cardio workout with a bpm range for me, and I do quite a bit of running, between 120 up to 160 bpm. Add to that the relatively high level of adrenaline as well as the muscualr strain on legs (brake), arms and shoulders (wheel) and the full torso (balancing and reacting to a high accel, large travel distance motion rig), and you are left with an activity that has absolutely kept me in better shape throghout the lockdowns than I have found for any other indoor activity (that I would actually enjoy).
Cute that you thinks 12 hours of banging bumpers is just holding on to a wheel 
Not demolition derby but “give no quarter” one on one racing. I can also assure you we were quite hydrated.
Okay, 12h is a very long session indeed, even if it were just holding on to a FFB wheel that would show some noticeable effect!
If you have a motion rig, the balancing comes on top, agreed. If it equals a more pronounced muscular demand you must have been somewhat trained for longer runs, because otherwise it would have been difficult to endure a 12h session; especially as generally a higher level of concentration is required in racing (although I assume that by the end of that race you had been trained to respond to your braking points on the track to a degree that it almost became an automatism, so reacting to the competitors actions would have drawn more concetrantion).
Depends, it certainly feels like it with an 11Nm Direct Drive.
Vr flight sim guy received his BSB today, currently ‘testing’
As a fan of Crystal, looking forward to hearing his comparison from flight sims perspective.
Don’t think he’ll be sweating too much though he does like extremely long sessions in vr so dare I ask, is flight simming a fitness activity 
?