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May 27, 2015, 10:27 AM
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Differences between FPV display and FPV goggles


Not sure if my nomenclature is correct but there seem to be two types of headwear, "FPV displays" using a single screen in a blacked out headpiece (foam, ski goggles, etc.) and then true "FPV goggles" with individual monitors for each eye.

What are the practical differences between the two approaches? It would seem to me the single screen would have the potential to be higher resolution. What is the advantage of the single eye screens if you aren't flying FPV? external light rejection?

Also I'd assume the goggles would be pretty finely tuned to diopter and head size, whereas the single screen displays would be easier to switch users? I am flying with my wife and kids.

Looking to start flying FPV (with kids) and trying to figure this all out.

thanks,

philip
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May 27, 2015, 11:03 AM
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DanT's Avatar
Well your wrong on this one ,
Quote:
It would seem to me the single screen would have the potential to be higher resolution.
Next ,
Quote:
What is the advantage of the single eye screens if you aren't flying FPV?
If your only flying line of sight and only taking pictures .
Next wrong ,
Quote:
Also I'd assume the goggles would be pretty finely tuned to diopter and head size
Good!! goggle are ◦FOV 35 Degrees Diagonal
◦Interpupillary (IPD) distance: 59-69mm (adjustable)

Yes,
Quote:
single screen displays would be easier to switch users? I am flying with my wife and kids.
But,, your not flying FPV ?
IMO your just watching a TV..
DanT
May 27, 2015, 11:35 AM
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Daemon's Avatar
DanT, he's talking about a Head Mounted Display like the new Headplay HDs (or various
other DIY versions that came before it), not just a standalone LCD display.
They include a Fresnel lens to change the apparent focal distance so it isn't
the same as just looking at a screen really close up. It's easily as immersive as using goggles.
https://www.rcgroups.com/forums/show...2361363&page=1

The Head Mounted Display (HMD) has a wider FoV than any goggles, but obviously
aren't quite as portable. Also would probably be less convenient to use with with
a head tracker, as you'll notice the added inertia swinging them around.
One advantage of HMDs is you can use them with glasses if you're near or
far sighted and don't have to mess with diopter inserts and such.
May 27, 2015, 11:44 AM
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DanT's Avatar
Oh,, I wasn't even thinking about Headplay ..
Yes , I was only thinking stand alone Monitor .
Thanks
DanT
May 27, 2015, 11:52 AM
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Casey101's Avatar
Quote:
Originally Posted by Daemon
DanT, he's talking about a Head Mounted Display like the new Headplay HDs (or various
other DIY versions that came before it), not just a standalone LCD display.
They include a Fresnel lens to change the apparent focal distance so it isn't
the same as just looking at a screen really close up. It's easily as immersive as using goggles.
https://www.rcgroups.com/forums/show...2361363&page=1

The Head Mounted Display (HMD) has a wider FoV than any goggles, but obviously
aren't quite as portable. Also would probably be less convenient to use with with
a head tracker, as you'll notice the added inertia swinging them around.
One advantage of HMDs is you can use them with glasses if you're near or
far sighted and don't have to mess with diopter inserts and such.
I always find your posts very informative no matter where you post!
Thank you!
May 27, 2015, 12:04 PM
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Thread OP
Quote:
Originally Posted by Daemon
DanT, he's talking about a Head Mounted Display like the new Headplay HDs (or various
other DIY versions that came before it), not just a standalone LCD display.
Yes, this! I apologize, still learning the nomenclature.

So based on the fact 3 out of the 4 of us using this system wear glasses, and we all have very differently sized heads (2 adults, 2 kids), it sounds to me like getting a HMD makes more sense than goggles which would require adjustments going from user to user.

philip
May 27, 2015, 12:18 PM
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Daemon's Avatar
Sounds like it.
May 27, 2015, 12:28 PM
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Thread OP
Thanks all. Any recommendation on good entry level HMD's?
May 27, 2015, 02:55 PM
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Quote:
Originally Posted by philski
Thanks all. Any recommendation on good entry level HMD's?
The Quanum goggles $30 -

http://www.hobbyking.co.uk/hobbyking...itor_KIT_.html

or the complete kit inc cam, vtx etc version of them, $100

https://www.hobbyking.com/hobbyking/s...mera_PNF_.html

... are the best value for money, entry level goggle.



See
Quanum DIY FPV Goggle kit review Hobbyking cheapest video goggles ever ? (5 min 50 sec)
May 27, 2015, 06:00 PM
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Thread OP
Quote:
Originally Posted by Ari33
The Quanum goggles $30 -

http://www.hobbyking.co.uk/hobbyking...itor_KIT_.html

or the complete kit inc cam, vtx etc version of them, $100

https://www.hobbyking.com/hobbyking/s...mera_PNF_.html

... are the best value for money, entry level goggle.



See https://www.youtube.com/watch?v=o9Exvwx6r1Y

I think I'm going to go with the goggles and then use a 5.8 GHz Boscam receiver and micro camera. thanks for the lead!

-philip
May 27, 2015, 06:06 PM
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Heppy Ket's Avatar
If you get them going with glasses (spectacles) let us know how you went about it, I cannot get comfortable enough as yet. (I'm using the Quanum Goggles).
May 27, 2015, 06:07 PM
Registered User
actually there are NO FPV googles or HMD's that I am aware of that are made for or even work without mods having glasses. The headplays and the quanums arent made for glasses. I have the quanums and it took some serious mods to make them work with my glasses and I dont think the headplays would be any easier to mod. most likey harder.

I gave up on the quanums after changing the mount, size of the foam to fit glasses, the screen and the fresnel lens. so basically everything lol.

Bought fatshark Dom V2 with diopters and I am happy. much easier to pack and so simple to use. has DVR etc. now for 3 different people you are kinda stuck.

Dont get me wrong, If you dont mind cutting up the foam and your arent using UHF the quanums are an insane value. and work pretty well, but made for glasses they are not.
May 27, 2015, 07:53 PM
Registered User
The real difference is that with FPV goggles stuck on your face you look a bit of a dork but with a screen stuck on your face you look a complete muppet

May 27, 2015, 08:03 PM
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Thread OP
Quote:
Originally Posted by Heppy Ket
If you get them going with glasses (spectacles) let us know how you went about it, I cannot get comfortable enough as yet. (I'm using the Quanum Goggles).
It looks like the Quanums are prime candidates for tinkering so I will let you know. If nothing else at $30 they are a 'gateway drug' to $300 goggles...
May 27, 2015, 08:05 PM
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Thread OP
Quote:
Originally Posted by slappomatt
now for 3 different people you are kinda stuck
It's a family hobby which is a good thing! Ordered 5.8GHz Boscam Rx and camera/Tx units from Banggood. Should be sufficient for the soccer field we fly in.

http://www.banggood.com/FPV-5_8G-8CH...5-p-73202.html

http://www.banggood.com/CM205-5_8G-F...a-p-88782.html

-philip


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