I see a number “210” at the end of the article and you ?
I do see the number as well, but if I feed the text into the google translator, it says:
And according to the presentation, using a circular shape for the new optics, a viewing angle of 210 degrees can be achieved, while maintaining a compact design.
Which means, in other words, that if they will be able to do the same type of lenses spherical instead of planar, they might increase the FOV. The prototype however has clearly the FOV much smaller.
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I see it but it does appear it might be a miss. Only recent articles on pancake polarized optics seems to have to do with there Holographic glasses there working on.
The form factor of the glasses supports in part what @risa2000 has said. Save it is possible it maybe able to reach 140 perhaps 150(as per Wearality Sky og VR frames).
The Article you posted is likely an amalgamation of earlier articles. Otherwise FBRL would have made a grandeur press release. If it is there Holographic glasses likely only 90 to 100.
I did a few searches and couldn’t find any pancake polarized optics posts that match your article. So yes it is likely a lost in translation by the Article Author.
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@risa 2000
Facebook have already obtained a field of view of 210
but the author of the article is skeptical as you
You can believe at what you like
Goodbye
Probably by popular demand. (Fully agree about the “misplaced” sentiment, by the way.)
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StarVR has obtained a FoV 210.
Facebook Half Dome was decreased FoV.
Facebook Reality Labs Says Varifocal Optics Are "almost ready for primetime," Details HDR Research
VR headset StarVR One returns to the market ⏵ VR/AR news - ServReality
Pay Attention Half Dome 1 140, Half Dome 2 20% more FoV rhan Quest and Rift S(see video- Abrash). The pic in your linked Article looks like Halfdome concept proto.
No search has Facebook stating 210. Only 210 FoV headset or claim is StarVR. Now Panasonic has made a prototype with 220.
So post a link other than your one Article where FB states they have achieved 210 FoV. Otherwise the point stands that the Article seems to have incorrect info.
If FB had achieved that milestone it wouldn’t be in one obscure article. Halfdome premiere stated the milestones of 140 and varifocal 64 planes; Halfdome 2 states more compact reduction of 200g at a cost if lower FoV but 20% more than Quest and Rift S.
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- Who are you to criticize DDay staff that was at display week 2021
- you are linking two articles that are at least 10 months old
- Instead DDAY Article has 2 illustrations and a photo of a facebook prototype you have never seen
- The second title is saying " la stessa risoluzione dell’occhio umano e ampio angolo di visione"
(the same eye resolution and wide eye vision field) - E STANDO LA PRESENTAZIONE, utilizzando una forma circolare per le nuove ottiche, è possibile ottenere un angolo di visione di 210 gradi, mantenendo un design compatto.
(AND ACCORDING TO THE PRESENTATION… it’ s possible to have 210 degrees… )
Are you not excited for this news ? It’s a your problem
Who are you to think that Facebook would release that kind info to only 1 publication. The pics are also utilized in other Articles. If Facebook had achieved a 210 FoV like StarVR it would be in a variety of media outlets. Like RoadToVR and lets not forget FB’s biggest Fan media outlet UploadVR(which is always on top of Oculus).
Yet there is zilch. Why do you think that is? It is not even in any FBRL’s pages.
So don’t take it personally if your prefered media outlet may have mistakenly posted incorrect info. With language barriers there is quite often misunderstanding with information.
Or that he is postulating that it could be possible; meaning he thinks based on what he understands. No FBRL press has confirmed the article’s info.
The halfdome accomplishments are impressive but let’s not buy into speculated capabilities when only current known is 140 has been established in the original prototype which was reduced in v2 for form factor and weight.
So unless you can provide proof outside of a singular article… Then it would seem your taking the prospect that the article has inaccuracies personally.
Oh my apologies you corrected your fallacy by changing “achieved” to “possible” suggesting article’s author speculation.
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I asked a confirmation
Are you naturally this rude, or did you have to work at it? 
The article you list has absolutely no sources given or references/links to other articles/proofs/research. This is standard journalistic practice and requirement for serious reporting. Even if everything in the article were taken at face value, this lack of accreditation makes the article itself AND the information contained in it suspect by default. There’s a big difference between writing an overblown blog post based on second hand information/rumors and a few graphics by the co-owner and creator of a website/blog and doing an independent factual, well researched article.
I’d point out the remaining fallacies endemic here, but Heliosurge has already given more than enough for any reasonable person to accept.
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The part id possible is maybe a reasonable speculation as I believe StarVR’s initial prototype Infinieye may have had the 210 FoV with Stacked regular round lenses. So with this lense advancements combined with Half dome a revisit of this method could indeed yield a headset like that but would likely be at a cost of increasing the size of the initial Halfdome prototype as the v2 being more compacted & lighter reduced the FoV.
However possible and achieved are not the same premise. The prospect is maybe exciting & somewhat understanding the passion it may inspired with this prospect.
The StarVR I got into HMDGDB actually advertises FOV which has the viewing frustum spread over more than 180° horizontally (187° to be exact), but then masks the peripheral area by the HAM, so the actual rendered FOV is less than 180° (StarVR One (Normal FOV, 90Hz) | HMD Geometry Database).
Nothing to say about the visible FOV, but I would say this is probably as good as it gets with single lens (non fancy shape) design.
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UPDATE
DDAY CONFIRMING CURVED CLC = 210 FOV
This news comes from presentation that Facebook Reality Labs have made at Display Week 2021
It’s one of technologies they have showed
(Near human resolution is with another prototype using CLC - from the article )
But they are away from what they have told to put them in one device
So I asked to elaborate better …
UPDATE 2
They did not tell much more in the presentation made by Fenglin Peng.
With CURVED CLC they can reach 210 FOV
For the resolution they have talked of an early “High resolution” (retina resolution VR) demo made with a prototype with liquid crystal diffractive lenses . In this manner they had 1.1 arcmin .
They did not add others info
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The Infiniteye prototype used standard stacked lenses(2/eye). But agreed with using a simple protractor that 187/190 is likely the best we can get without something of a wrap around screen & tbh I don’t believe we need that complete of a FoV as we don’t have strong clarity in extreme periphery. Imho 160 to 180 is likely more than sufficient for the masses; rendering more that that is simply a waste.
@crony has experimented with this stacked lenses used by InfinitEye.
UPDATE 3
why only dday telling this news ?
This is the answer:
Display week this year is only Virtual - Online - .
Sessions are many with hundreds of technical articles for professionals
Only us have found that from Reality Labs interesting 
Which the key words are possible not achieved. As mentioned if FBRL had achieved it; it would be a big announcement. As per the Article all saw the presentation virtually as presented by the speaker for FB.
So yes it is in part not a release as achieved but as saying is possible in part based on Infiniteye’s already proven concept of stacked lenses prior to them designing custom hybrid lenses used in StarVR.
So it it exciting sure; but nothing has been established as achieved as of yet.
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Did not get that option when I tested 
I finally see and understand the added clarity of lowering my ipd of 68 down to around 65ish. Noticeable improvement for me tho i swear i could not see difference at first.
Oh also wanted to say i am really enjoying your channel. Some great tips …helped me a few times now. Cheers & thanks mate!
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A new headset
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Thanks @Fabrizio
Was able to get Google to translate. Very nice read. Reposted in english below.
Mini LED not only for TVs: Innolux has created a VR viewer with 2Kx2K HDR display per eye
by Paolo Centofanti - 21/05/2021 18:12A high resolution, wide dynamic range virtual reality viewer based on a Mini LED LCD display was presented at Display Week. And thanks to the lightfield optics, the vergence-accommodation conflict is mitigated for a “nausea free” experience.
Innolux also brought its contribution to Display Week on the front of virtual reality solutions. In particular, the Taiwanese display manufacturer presented a virtual reality headset prototype based on a high resolution Mini LED LCD display capable of reproducing HDR images. The viewer is based on two 2.16-inch displays with a resolution of 1411 PPI (2160 x 2160 pixels), with low response time (<1.5 ms) and Mini LED backlighting. In particular, the backlight unit is just 1 millimeter thick and is based on blue LEDs, with an image plate for color conversion.
The solution developed by Innolux also offers 2304 independent local dimming zones, allowing to obtain an extremely wide dynamic range, albeit with a maximum brightness of 200 nits. To reduce the percentage of blue light potentially harmful to the eye, Innolux used LEDs with a slightly longer wavelength of 460nm, which however resulted in a reduction in the gamut with a coverage of 93.3% of the DCI-P3 color space.
Another interesting element of the solution presented by Innolux is the optics. In fact, the viewer uses a light field optical system developed in collaboration with CoreTronic that allows to mitigate the vergence-accommodation conflict that arises due to the separation between the focal plane and the apparent position of the subject in 3D displays. Through this particular technology, it is possible to maintain the correct focal length at different depths of field even with displays almost in contact with the eye as in the case of VR viewers. This should significantly improve viewing comfort and at the same time reduce the weight and size of the headset itself.
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