I'm literally speechless // HDZERO 90 FPS NANO CAM

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00:00:00 - Questioning everything I think I know
00:01:43 - Access camera settings
00:02:36 - Test flight: 720p at 60 fps
00:04:55 - Why am I re-recording this?
00:06:15 - 540p has lower resolution (obviously)
00:07:14 - Test flight: 540p at 90 fps
00:09:28 - Why is this different?
00:11:15 - Let's fly it again
00:13:46 - What about 540p60 and "crop"?
00:15:02 - Really? "Question everything I think I know"

[@JoshuaBardwell]

Make sure you are watching this in 4k if at all possible. Even at 1080p, KZbin bitrate is low enough to hurt the video quality.

[@lightpolebluelamaa4207]

Nice camera quality on the video and camera

[@maro0016]

So from now on we will see you fly hd0 … all the time…

[@SkyFpv]

Low latency, high frame rate, and static latency. Combine all 3 of those, and you have something that feels better. If you'd like to learn more about this, research some of the efforts that have gone into VR headsets recently. It absolutely does make a difference. And 90hz is a special threshold if you have low, static latency.

[@spikester]

Jitter sucks in almost everywhere it exists, it really is the worst thing to try to accommodate when expecting a specific response time. Give me fixed latency any week. Even DJI would feel better at 60fps if it were consistent framerate above all else. Its the same with jittery clock source oscillators, the expensive ones have much less jitter.

[@TuxedoFPV]

I came here to say this too: anyone who plays PC games at 120hz+ knows exactly what Joshua is feeling, and it's really hard to describe until you use it. But then, you can't go back.

[@CarsonKulp]

@@TuxedoFPV I switched from my 60hz productivity monitor to a 165hz low latency gaming monitor for FPV sims and it is a night an day difference. Same GPU and same settings just a faster monitor. I was getting motion sick in the Sim very quickly and that is gone.

[@JonE5FPV]

Awesome to see we both had similar reactions to 90fps. Like you I didn’t expect I would feel much a difference and boy was I wrong. What a time to fly.

[@notsure1502]

I feel like you guys are teaming up and trying to convince me to buy buy buy. I'm gonna tell the wife its your fault

[@jonowillmer]

Very cool to see you having fun! Great stuff, I do really enjoy that camera too!

[@GiantAntCowboy]

It’s fun to see you excited about this! I actually opted not to get one of these cameras during beta testing because Carl said only a few units were available and I figured it’d be better for racers to test… but now this video makes me regret that decision! Nice work, cheers!

[@ChrisRosser]

I felt the same. It's the ability to react to unexpected situations that improves so much with lower latency. For racers this is mechanical doping.

[@d3c0deFPV]

Nice flying. I can tell your confidence level is way up here. Would be cool if you could host a 90fps sample on your site or gdrive etc for us to see.

[@Joeyzoom]

I love to see someone so excited about a new piece of tech. Happy you're enjoying it Joshua! Cheers 🍻

[@airdevil21]

Iam so happy I have the HDZERO goggles!!! Awesome to see your reaction!

[@IggyBiggy]

i was shocked at how much I liked the HDZero goggles. Glad I got in on the first pre order, totally worth it.

[@redcobra1246]

Hdzero + 90fps camera will be the standard for drone racing. There is no doubt about it

[@Noical]

Finally someone else appreciates what I’ve been talking about

[@RECK_Adventures]

You kinda perfectly described one of the reasons I chose HDZero over DJI and that's that it is confidence inspiring. I may not actually be flying any better, but I am feeling more confident in my flying and that's huge for me. I tried flying DJI and absolutely hated it. I felt so uncomfortable with every movement that I just didn't want to try anything new or interesting and ultimately just had way less fun because of that.

[@easyefpv6609]

That was my experience with dji too. I could feel the latency and wo7odnt go for anything tricky cause it was too much and kind of got motion sickness from it

[@thomastommy9864]

Reminds me of flying on VelociDrone or any other computer sim. You get fast response and fluid movement. Now you can have that computer sim feeling while out in the field.

[@jesselopezdrones4396]

Great video. Thank you for sharing. You look healthy. Good job. 👍👍

[@modquad18]

Kudos to Carl for creating the best out of the gate experience of all the digital FPV video systems 👍🏽

[@killacovertops]

Love this ty! Need to get flying again!

[@aiRxShop]

9:13 lol @ your Mickey Mouse laugh had me rolling. Especially after posting the comment and repeatedly hitting the timestamp. 😂🤣 Love the vid as usual.

[@ghostdropfpv]

great vid!

[@user-bs5kj4ke2r]

Joshua, you superhero!!!

[@sunsetpark_fpv]

JB you look legitimately impressed, and that impressed the hell outta me 😎 HDZero moving forward will only get better.....and that's all I need to know to make my decision to purchase them even easier.

[@doncunningham3124]

My color saturation is way off. My front lawn has never been greener and the sun has never been more yellow. But I LOVE IT!!! This is the best FPV video experience I've ever had in the last 6 years! I don't want to change a thing! Except for the cameras in the rest of my HDZero fleet.

[@kuzyatron]

It was October last year at the MGP Champs when Ryan Quellet showed me the 90fps. What I said to him was "It feels like, when I fly HDZero 60fps there is this gap between frames I wasn't even aware of and my brain was trying to fill the gap, whereas with this 90fps I'm seeing the actual image continuously." Between pre-ordering and receiving the goggle and 90fps cameras, I wondered whether what I thought I saw at the Champs was real or my imagination. I have done some racing with 90fps and now I can tell you it's freaking real

[@skyweaver3199]

This was a good video. It really helps this kind of review. I appreciate it. I am gonna get these instead of dji v2 , I'm for the lower fixed latency. My dji v1/2 air unit lite system whatever is good enough for me.....I don't need 03 resolution. I want to INVEST in lower latency. I think I get that done by supporting Carl and Hdzero. It will only get better.

[@PKSiam-st5rc]

i love your new shed (orange)

[@LicardoFPV]

Hi JB, nice video again! What stick ends are those?

[@BMWS14turbo]

Hi Joshua, happy to see this. I have Preordered the Race Bundle can`t wait to hold it in my hands, I have a Question i fly R-XSRs in all my quadt till now. And some years ago it was a feelable Latency step binding those with 8Ch against 16Ch mode. What RC Link do you have Used for this Flights and is there a noticeable better feeling if you do the same quad with 500Hz Elrs? Finger to eye Latency should be the best with this combination.

[@enrico320i]

definitly switch to ELRS 500Hz or 1000Hz. You dont need expensive stuff, but the R-XSR will Limit HDZero definitly.

[@DavidOwensuk]

I have bought 3 90 fps cameras for this years racing season! Looks like it was a good buy!! Awesome video JB worth’s the subscription😁👍

[@havoc_64]

Great Video Josh. to your point...is HDZero 960x720@60 better than Analog for detail and seeing the branches??

[@MUNKYFPV]

Great review thanks. I’m still rocking the V1 DJI goggles with caddx vistas for most of my flying but I still have a set of original HDOs with rapidfire if I want to fly analogue. This fixed low latency looks very interesting though and the lower resolution looks good enough even on KZbin. I’m guessing I would need the HDzero goggles to take advantage of this? Am I correct in thinking adding a HDzero VRX to my HDOs won’t cut it?

[@JoshuaBardwell]

Currently only the hdzero goggles do 90fps but the standalone receiver may support it in the future. However without the 90fps display and the end to end sync that is only possible with the hdzero goggles, you won't get the full advantage.

[@andrebullitt7212]

Darn! You and James made me buy a pair.

[@mach74marco]

Non vedo l'ora di provarla, fra pochi giorni arriverà la mia cam 90 fps.😁😁😁

[@MrCrowleyandhisdrone]

🙂 thank you,

[@rawpicsfpv3516]

I bet mr steele will love this system for his freestyle quads

[@barry_dalive]

For the love of all that's FPV do a full quad setup review on the Boxer illustrating the different receiver protocols as well as the timer, and other functionality within the radio including ExpressLRS and binding your quad. There isn't another channel that has a full setup guide. Great video, and thanks for all you do!!!

[@Przemo-c]

I know pros can compensate for flaws in control/vision systems and exploit benefits of them. Would be interesting to have a big shootout in how it affects amateurs. Does it help to learn, does it make no difference, does it make you complacent. For instance the piloting skill required for last minute corrections might not be as beneficial to novice or it can make it easier to move closer to that line. And one thing is perception like with resolution it's quite obvious but with things like latency consistency it's not that obvious unless we go to extreme ends. It would be a massive undertaking but would be awesome to see preferably in a close to scientific study design principles shootouts of how latency/image quality/ consistency of latency/level and type of breakup affects varous levels of experience for FPV.

[@Deserthacker]

The breakup of this system vs analog or the other digital systems seems much more bearable. Sure, there are corrupted parts at times. But each specific area in the image is only missing for a tiny fraction of a second. No completely dumped frames and there's no rollover, ever.

[@PiDsPagePrototypes]

The breakup almost looks like digital noise inside an analog transmission. Bet they've gone with a much smaller packet size, sending blocks of the image instead of whole frames. That or on the Rx end, it's much more aggressive in discarding data frames with any missing information, dump, move on, show next data now rather then try rebuild missing data.

[@spikester]

It has the same signal recovery characteristics as analog also, very predictable when you finish your move or whatever you expect there to be some packet loss, it always comes back every single time, there is no delay whatsoever to regain signal with hdzero, identical to analog. EDIT: oh and BTW the hdzero breakups doesn't compress very well on KZbin, having to render the breakups in a YT video makes the rest of the video look worse. LOL

[@davidsaintonge6232]

Great video, love the enthusiasm! Is the Boxer officially your new daily driver?

[@creationlabsinc.189]

Take that setup to a bando or parking garage. Or anyplace you’d have big structures you’d have to punch through. Would it still be your new goto? It’s the breakup that keep my hdzero setups from going with me to the flying sessions. Now 1s whoops it’s a game changer.

[@JoshuaBardwell]

100% need to try it.

[@NickRO19]

Can't wait to feel that for myself. So happy I chose HDZero

[@myfavouritegame]

I maidened my Five33 Lightswitch with 90 fps camera less then 24 hours ago. All I can say, once you see 90fps at 15ms latency, it's hard going back to 60fps. And not to mention, plug the goggle to PC running drone sim and run it at 720p@100Hz, is just unreal.

[@SlattFpv]

Thats awesome!

[@drunkskunk00]

Awesome video. I Loved Walksnail, and had converted to it for freestyle, except now I find I enjoy flying HDZero freestyle more. The image might be worse, but the experience is better. It feels more connected; Smoother maybe? it's hard to explain. Just... better. It's like a +3 to my piloting skill, or something.

[@mateuszjasek]

Why WS over DJI for freestyle? I'm just curious - walksnail user here.

[@ethrrr]

It's like pal and ntsc "D

[@drunkskunk00]

@@mateuszjasek 4 main reasons that come down to it's a better image than DJI. WS is 1080p instead of 720p. OLED screen goggles are better than DJI. The technology is newer and has greater potential, The VTX are much lighter than DJI. WS is going to stay in my long range stuff and in planes, but HDZero wins for Freestyle and anything fast moving. Basically, if an image is moving past the screen too fast to see the detail, it looks better in HDZero.

[@mateuszjasek]

@@drunkskunk00 do you really freestyle in 1080p? I've tried and i was crashing constantly and feeling drunk. For me this mode is unusable due to latency. I only fly 720p100.

[@drunkskunk00]

@@mateuszjasek Not anymore. I converted all my freestyle to HDZero, mostly for the same reasons this video was about. it's lower res but just feels better

[@SpicyFPV]

Its really hard to explain it to people, they have to personally try flying a 90fps cam with the HDZG to understand. I have yet to find anyone, regardless of what they prefer, that hasn't almost immediately said, "Woa..." (Neo from the Matrix), when they fly it. I don't even care about the video quality reduction, something about it just makes it feel like magic. If you sit there on a bench and look at it, yeah, the resolution reduction is noticeable and a little offputting. However, as soon as you take off? That goes away and literally nothing matters except for how buttery smooth it feels. My biggest concern as a racer, is just going to be smashing those gorgeous cams on conduit gates and the significant amounts of crying my wallet will be doing.

[@aphinion]

In VR it's common knowledge that immersiveness really just starts below 20ms as an absolute limit and the less latency you get the less nausea the system is causing. so even with analog we are still just very close to that limit and that nano90 brings us much closer inside that range. Also not only the low latency/HFR but also the FIXED latency is, what makes timing in proximity so easy. With the variable latency of DJI you have to rely on full muscle memory and your experience that based on your current trajectory you'll make it. And I'm sure this is also the reason, Phantom FPV can't get that dive done. The moment that drone falls into that chimney, DJI raises the latency to compensate for the lower reception, that fucks up his timing and he smashes it either into the wall or ground cause in reality this system gives him no reference on where the drone really actually is in that moment. A fixed latency will do that and you'll be able to make out the important queues even from a noisy image. Really looking forward to testing this system. I also am surprised about how much quality they actually can transmit in this almost uncompressed raw-format they are sending - another thing that actually provides consistency. While DJI will blur your image when being far away, HDZ/Analog will still provide sharp edges and corners in that noisy or even black and white image. The only caveat is you won't see tree branches as good in close proximity, that's indeed a bummer! ;)

[@wearemany73]

Thanks for giving us the temperature in Centigrade 🇬🇧👍

[@JohnCuppi]

I got to try HDZero Goggles and 90fps at Ken Heron's Mindfield event. I didn’t expect I would feel anything either, wow was I wrong about that.

[@airplanenut6242]

I can’t help but wonder if some of the magic comes from the progressive scan of the image too. Like yes, analog can be almost the same latency, but you’re only getting half the image with each frame. Maybe there’s something about the entire image updating every 11ms that just pushes it over the threshold of smoothness. Anyway I ordered a 90fps cam and I’m excited to see what it’s all about.

[@Koolaidban]

curious . how many watts is your solar . is it off grid or tied in? I have a 24 v 3680 watt solar . with 16 6 volt battery's off grid . solar is a good hobby also .

[@grege2383]

Ugh, I have the Eachine 800Ds, just ordered the Skyzone Cobra Xv2. I'm wondering if I should order the HDZERO's before the hundred dollar price jump early next month.

[@AndyDreadFPV]

Yes you should. This goggles does it all.

[@JeffreyWelch]

So cool to hear JB excited

[@H3xx1st]

Love your excitement, it's awesome!

[@cedricgrandseigne]

That reminds me of what I felt when I started to fly with high D.

[@paulmillard1130]

I've always thought you flew sharper/better when you were mostly analogue I think you've proved it.

[@AndyPorter79]

What kind of range does the HDZERO have? Has it been tested? I think I will finally go digital this year and this video pretty much decides it for me.

[@madtoffelpremium8324]

Similar or a bit less than analog. The breakup is less at high to medium signal strength, but drops off faster at low signal strengh.

[@scu-dub]

J B I JUST GOT THE REKON 4FR AND IT CAME WITH AN ENTIRE STACK NOT THE AIO FLIGHT CONTROLLER I WAS EXPECTING IS THIS A GOOD OR BAD THING????

[@PatClevenger]

I been messing with HD zero since before it was HD zero. Its come a long way and I really like it but I still think I would fly analog or DJI unless I was 100% sure I would not lose VTX. The breakup that HD zero has isn't forgiving enough i guess I would say. Its like oh breakup.....Snow I have snow. Maybe that would be better with more powerful VTX I don't know.

[@rawpicsfpv3516]

What quad did you fly in this video?

[@edrone_]

Awesome to hear and see your feedback on this new camera. You got me excited to give it a try. Hopefully it won't be sold out lol 😅 Also I have been told that the Runcam HDZero Micro v2 has a slightly better image due to the sensor being a tad larger. Would love to see some comparisons and your thoughts. 🤟

[@chaserporter]

The 90fps camera really is that good. I regret only getting 3 of them now and I ordered more but have no idea when they will arrive. That is, in my opinion, the biggest downside of the system right now: hardware availability and waiting for an unknown amount of time to receive it. We in the US have been spoiled by the super fast shipping of RDQ and Pyro.

[@willpowerfpv3246]

Good lord, that's the most intricate SCAM comment thread I've ever seen!!

[@PiDsPagePrototypes]

@@willpowerfpv3246 gonna be hell trying to report those to youtube, seen them a couple of times, nowhere near as often of the textonotherplatform scams though.

[@b3owu1f]

@@willpowerfpv3246 Haha..I was reading those and thinking..wtf is going on here.. seriously created a bunch of dummy youtube accounts to put a bunch of them in some random review video? Like do people really fall for this shit? Also.. why this one thread.. and not all the others.. and/or the main comment? So strange the person who coded up this scam.

[@willpowerfpv3246]

@@b3owu1f no doubt, eh? Unfortunately, this is probably like commercial trolling for fish to them. You're always going to catch a few dummies in the net, which is why I figured I better leave a comment, in case somebody fell for this. A few months ago, I was looking for a new folding camping chair to take flying, and one morning, before I had any coffee, I saw the deal that was too good to pass up on a Facebook ad. I ordered it, then later that afternoon I realized the red flags, and put in a ticket with PayPal. They refunded my money immediately, but I guess the company didn't get the cancellation notice on the other end, and two weeks later a cheap $9 banggood special wristwatch showed up in my mailbox lol. They got some pretty clever scams going on these days. I went back and investigated and realized they were lifting all of the pictures and product information directly from the site of the original brand product, and then photoshopping out the labels on the chair back. 🙃 I'm usually hyper skeptical and critical, but that rouse was so elaborate, it didn't click immediately. 🥴🫠 This one is rife with red flags. 😅

[@stefangranath3841]

The camera setup thing via radio, is that only a hdzero thing?

[@poporbit2432]

Isn't this the product of two independant systems? Low latency gives you more reaction time to control inputs and higher frame rates provides earlier perception to visual cues. The combination likely releases less adrenaline before resolution to the stimulus.

[@yuranium]

Is there a reason why DJI can't also just add a 540p option with their existing setup with ultra low latency?

[@JoshuaBardwell]

They don't want to.

[@robertgiordano3452]

I definitely prefer HDZERO over the DJI air unit. Especially since I'm not flying through the forest or trees mostly

[@matthewbradley8971]

Question is, what does this do to your muscle memory. I would love to see you fly with this 3ms latency for a while then switch back to DJI and see what happens. Personally, I love freestyle where I have better clarity. I don't fly with a gopro, so I'm usually just going back and looking at my DVR footage. I can totally see this being the go-to platform for racing or even 65-75mm freestyle. I just can't wrap my head around this being a daily driver for someone though.

[@yadon9884]

How is the image if you fly with walksnail?

[@lievenvv]

I had a similar reaction when playing on a 120-160hz CRT for the first time... It's totally real!!

[@BangChief_AllIsOne]

Salute

[@ohSchnapp]

Hey Joshua, have you tried the simulator on a 360 Hz monitor? I was flying 60 Hz for the longest time and just switched, and you and I have almost the same reaction to improvement. Was easily able to take four more seconds per lap off each track. Would love to know your thoughts or see a video of your reaction if you're running 60hz

[@MysteryD]

I play Liftoff at 144fps, and I can say that it feels much smoother than flying in real life, and I use DJI v2 goggles

[@redcobra1246]

Yeah exactly. People that doubt the effect should try capping a simulator at 60fpsand then raising it at 90hz or more

[@713Ace529]

There was a reason I was waiting for your experience input. Yeah before you were like “big deal” but seeing your expression, lol that says a lot. You had me at “DID I STUTTER” 😂 👍

[@AHTOH4uk1979]

Please compare this with rapidfire analog video)).

[@TheMadmacs]

i tend to think this is real. more coherent image is a subtle thing when it comes to fpv, its nowhere near as good as the naked human eye, but every step towards the eyes natural ability will give a serious boost to the feel and coherence of the image. resulting in, better confidence.

[@nakmax]

Maybe you can upload the raw dvr files somewhere so we can download them?

[@michaelstewart7662]

That's an awesome analog setup you got there

[@Originaljonny2bad]

cant wait too try this camera

[@ampyoutube1895]

i am new to fpv. what is the number next to the propeller in the osd mean

[@JoshuaBardwell]

It's the goggle fan speed.

[@aiRxShop]

Is this 90fps camera compatible with the HDZero Rx Module? Or is it only compatible with the HDZero goggles?

[@JoshuaBardwell]

Currently it is only compatible with the hdzero goggles. HDZero has said they might make compatibility with the RX module in the future, but here's the thing: the RX module is almost always used with goggles that have 60fps screens. So you wouldn't get the 14 ms latency, and in fact most goggles have higher latency on their HDMI input. So to really get the most advantage, you need the HDZero goggles.

[@aiRxShop]

@@JoshuaBardwell ahhh... yes, touche. I hadn't even thought about the screens in other goggles running at 60 hz. That's why you get paid the big bucks! 🤑

[@CalleyyyC]

The nano 90 doesn’t seem to have the best image quality out of the HDZero cams but man the 90fps mode is a game changer!

[@scottmilano2940]

Is there any reason to go 90fps if my HDZero setup is the HDZero VRX thru HD02 fatsharks?

[@JoshuaBardwell]

At this time that's not possible because the vrx doesn't support 90 fps. But the goggles being limited to 60 fps means you won't get the full benefit even if somehow the vrx does work with the camera.

[@wasispeeding1021]

I switched to DJI when it first came out. At first I loved how clear it was and how much more I could see. Over time I started to feel like I was flying worse and worse, so I slowly stopped flying because it just wasn't as enjoyable for some reason. About a month ago I started flying again, after about 8 months of not flying. I instantly noticed how bad the latency is and realized that's why I lost the enjoyment and interest. Really tempted to try this setup, but the video quality leaves a lot to be desired compared to DJI... If only we could get the best of both worlds. Great video as always. Hopefully I can find someone local that has this setup that'll let me try it out.

[@sunsetpark_fpv]

How clear do you need the image to be when you are moving fast and quick decisions are made on the fly? I understand how clarity can make you better, but latency will only make you worse......

[@wasispeeding1021]

@@sunsetpark_fpv Most of the cool places I have to fly are heavily wooded areas and over rivers and creeks. Being able to see little branches, leaves, and small electrical lines can be just as important as being able to react quickly

[@metefpv]

I also noticed that most locals here that switched to DJI back then, already quit flying. So I was wondering wether they would have quit anyway or was it the same reason as you

[@sunsetpark_fpv]

@@wasispeeding1021 Oh I get it. Flying in wooded areas with lots of scraggle definitely needs the clearest view possible, or else you will wind up stuck in little branches constantly. That's a tough environment to fly in.

[@Alluvian567]

Sounds neat, and I would love to try it, but DAMN, that sparkle when flying at such close range is just a nogo for me. I hate flying through analog static, and this to me looks so much worse. I would love to try it and feel that special sauce, but I don't have the budget to do so, and there isn't any FPV community at all around me that I know of. I also suck so bad I would be embarrassed to join one anyway, unless they were also really noobs, and noobs would not have that kind of specialized gear either.

[@gregm8941]

Kind of oxymoronic to say I am speechless.🤔

[@myfavouritegame]

I'm beginning to see some talking down about other systems. I think every FPV system has it own use case. I have HDZ and Walksnail VRX. Yesterday I maidened my Walksnail freestyle/ LR qwad, and got what I expected. Far superior image quality compared to HDZero, and penetration is better. Doesn't mean Walksnail is better than HDZ. I still going to buy a few more HDZ 90 fps camera for my racing qwsd. And I will buy 1 or 2 more Walksnail VTX and camera too for 5" or fix wing. And if I have the money, I will buy the Dji 03 with Goggle 2 too. I think that will be best system to put on a cinewhoop. I'll be stupid if I put the HDZ 90 fps camera on a cinewhoop, coz that 90fps means nothing when flying slow when image quality and penetration is more important. So there's really no need to argue which is the best system. Even analog has its own merits. Like can Dji, HDZero or Walksnail do audio from qwad?

[@pacospete4299]

new to this .... @ 2:30 , is this actually what you are seeing in the goggles ?

[@JoshuaBardwell]

Yes.

[@carbonEYE007]

Moments like this are why I fly, always a giddy moment of pure goodness

[@KCQuadTronX]

I love this its AMAZING!!!!!!!!!!!!!!!!!!!

[@juliusen7336]

i know I'm late to the party, but does anyone know if there is a way to put that cam on a 75mm tiny whoop?

[@MCsCreations]

Fantastic flying and review, Joshua!!! 😃 But you know what? I hope some day I can suck at flying like you say you do. 😬 Anyway, stay safe there with your family! 🖖😊

[@davidlondon3111]

It’s truly great to see you get enthusiastic about HDZERO. The static and interference is still an issue for me especially from DJI but I think that half of that is people not bringing their power down to 25mW

[@zac_vaughn]

Do you have any plans to review the new SpeedyBee Master 5 HD and F7 stack from SpeedyBee?

[@gonebdg]

This is one of the reason why I choose hdz system and hdz goggle, however it's a bit hard to explain to anyone who ask why. This might be similar with the feeling that I've got at the first time I switch over from frsky to elrs with 500hz packet rate which cause me fly much better and more confidence. So for you who still questioning how can hdz is better than any other digital system, it's hard to explain with words and you must try it by your self. The fpv video record might not be as best as the other digital system have but the fpv image is very good when you see it with your own eyes on a high quality oled monitor fpv such a hdz goggle had.

[@diggsit69]

I use to believe when I was learning to play the Drums that using different Heads made me sound better, but actually it all came down to practice makes perfect equals perfection!

[@dingbatfpv]

In basic terms framerate is not latency. If you have 90fps but but it takes a whole minute to process a single frame, you won't be able to fly. Sure the gap between frames is smaller but the whole system is a minute behind making it unflyable. It's the same problem videogame streaming services like on live or stadia face, it seems like HDZ has a pretty good system to solve this problem

[@JoshuaBardwell]

Yeah but it doesn't take a minute to process a single frame. HDZero pipeline latency is like 3 ms. Also don't forget that the faster framerate requires faster display time. At 30 fps, it takes 33 ms to draw one frame. At 60 fps it takes 16 ms. At 90 fps it takes 11 ms. So the higher the framerate, the lower the glass-to-glass latency.

[@Przemo-c]

@@JoshuaBardwell Exactly. I also wonder if over time we'll see techniques that are used in VR for FPV to get a better sense of the quad's motion as in reproject the image you're seing by shifting/rotating it according to latest gyro read/prediction that can be sent at the end of frame reception. Sort of like Asynchroneus timewarp for FPV but not for head rotation but for quad rotation.

[@dingbatfpv]

@@JoshuaBardwell I should have been more clear, I was more trying to say that's why it should feel smoothr than DJI, I was using a minute as a fairly extreme example. DJI does 100fps or more I think? But then the latency in the processing means while the frames are drawn 10ms apart they are drawn a lot longer after they were captured than with HDZ, resulting in HDZ feeling smoother. I would also guess none-variable latency makes it feel better because its more consistent.

[@lililililililili8667]

Must feel so nice when stacked with the 1000hz elrs responsiveness. Im tempted to get HDZERO even though I already have walksnail and love it.

[@spikester]

This also has me on the verge of throwing out crossfire, 150hz max with limited range vs 500hz with all the range you need with a very noticeable improvement in stick to craft response time, as one would expect. Flying whoops around the house even on DJI feels different with 500hz ELRS over crossfire. Can only imagine how a 90fps fixed pipeline will stack. Drool.

[@duncanwilliams5790]

Nice one JB

[@billyd78]

The eye is actually very low resolution. The brain does all the processing. So it makes sense that smoother video with minimal delay would reduce the brain effort required to see and react as though we were actually in the aircraft.

[@terminsane]

Fatshark really jumped the shark on hdzero. Every racing pilot is going to need hdzero to stay competitive

[@havoc_64]

AND Where did your newbee neck strap go??....LOL

[@wavesummit]

Would love to see a 90fps 16:9 camera for hdzero

[@sunsetpark_fpv]

I'm sure that somewhere out there in the techiverse, thats on the menu.....

[@poulmartinmller4094]

...you get exited when learning something new today, as do we... nice one

[@Imakilln]

It's going to be interesting to see where FPV tech evolves from here, I can't wait to see what HDZero comes up with next! (they really need to sort out that blockyness though...). I'm thinking goggle eye tracking combined with something like DJI's focus mode that actively adds resolution to just the area our macula is looking at will be the next big innovation - no point sending data our eyes can't immediately see! Could do real funky stuff with frame rates too (IE focus gets 120fps, a ring around that get 90, 60 etc) a bidirectional link would be a prerequisite though.

[@CarlPaulsen]

And there goes your high frame rate and low fixed latency. Use DJI for those features. Use HDZero for the rest. No system can do it all. Yet...

[@Imakilln]

@@CarlPaulsen Since I posted this comment I've been doing some additional reading - the tech already exists for VR: Foveated Rendering - was developed specifically to achieve BOTH lower latency AND higher frame rates by reducing GPU load! The bidirectional data/fixed latency penalty would be miniscule for a HDZero-like system because you''re only returning the eye x/y coordinates to the video transmitter once a frame (ie a tiny amount of data over a large time window). I don't pretend to know the internals of the protocol but I'm guessing because of it's 'blocks' the HDZero system would be great for this scenario because you simply send 'smaller' more detailed blocks where the image detail is 'focused' and larger 'blockier' blocks elsewhere.

[@CarlPaulsen]

@@Imakilln Yes, foveated rendering is used on the new Oculus Quest Pro headsets, and is quite an incredible achievement. But the time between the pupil position being measured and the graphics being rendered will be in the single milliseconds, which simply wouldn't be achievable over an air link. You're also putting a lot of additional processing on to the VTx. I'd love to see it, I really would, but I just don't think it's feasible whilst keeping the low locked latency...

[@moblades1]

I used the $105 credit from the goggles to order 2 of the 90fps cams. Can't wait!