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12-11-2015 12:35 PM  35 months agoPost 1
Climax

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West London, United Kingdom

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Hi all

I'd like to buy a set of HDv2's but as I'm long sighted wanted to try them first to make sure I can comfortably focus on the image. If it's too close (as with the Headplay goggles, even with the F330 lens) then they won't work for me.

It all hinges on how far away the perceived image is displayed. If it's more than 1/2 a metre then I'll be fine. I've used a pair of Attitude V2's and they work really well for me as the perceived image is over a meter or so away.

I'm concerned about the HD V2's as they have a 50 degree FOV (the Attitude V2's are only 35 degrees), which will bring the image closer, but as I can't try them out I don't know how close!

Any comments would be much appreciated!

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12-11-2015 01:11 PM  35 months agoPost 2
wrongler

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Brewerton, New York

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I have the fatshark HD v2 except I am near sighted. I can see fine with them. I have the regular dominator v2 and they seemed to be pretty much the same as the HD V2's.

Bill Whittaker

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12-11-2015 01:28 PM  35 months agoPost 3
Climax

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West London, United Kingdom

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Thanks!

So with the HD V2's how far away do you feel that the image is projected? e.g. 12" or 24" etc.

In other words how far away are your eyes having to focus? i.e. Is it like watching a large TV a couple of yards away or looking at a lap top screen 12" away, that kind of thing...

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12-11-2015 01:42 PM  35 months agoPost 4
wrongler

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Brewerton, New York

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I just went and put the HD V2's on and the view seems to be about 12" to 15" away. Just my opinion!

Bill Whittaker

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12-11-2015 02:13 PM  35 months agoPost 5
Climax

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West London, United Kingdom

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Thanks!

Interesting, 15" is about my limit. I'm going to have to wait and try some in person I think.

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12-11-2015 02:39 PM  35 months agoPost 6
wrongler

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Brewerton, New York

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I think that would be the safe way to find out! The goggles are outstanding!

Bill Whittaker

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12-12-2015 10:53 PM  35 months agoPost 7
Dr.Ben

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Richmond, VA, USA

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Bill,

How much neg D correction is in your Rx glasses? Are you use the FS -D inserts?

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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12-12-2015 11:36 PM  35 months agoPost 8
wrongler

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Brewerton, New York

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How much neg D correction is in your Rx glasses? Are you use the FS -D inserts?
Ben, If you are talking about the goggles I don't use any inserts. If you are talking about my glasses, I don't wear them with the goggles when I fly.

Bill Whittaker

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12-13-2015 02:50 AM  35 months agoPost 9
Dr.Ben

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Richmond, VA, USA

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Climax,

If you refer to some of the more fpv centric sites, there is agreement that with fatsharks, if you can see clearly at 6' without glasses, then you won't need diopter inserts with them. How far in front the image appears to be is not actually the way the optics work.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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12-13-2015 12:29 PM  35 months agoPost 10
Climax

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West London, United Kingdom

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Thanks Ben.

I can easily focus at 6 feet (all be it with a slight astigmatism) so fingers crossed the HD V2's will be OK.

My concern was based on my experience with the Headplay goggles. A freind has a set and fitted the additional 330mm lens to reduce the image size. Even so, the image appeared to be about 10" away and with the claimed 50 degree FOV (the stock 220mm lens has a 72 degree FOV) they generated a huge close-in image that I struggled to focus on.

If the HD V2 focus is designed to be around 6' then a 50 degree FOV will produce a good sized image that I'd be able to focus on. This would be awsome!

I did spend a bit of time on some of the other FPV forums trying to get an answer but couldn't find anything definitive.

I just wish I had a local supplier or freind with a set I could try on!

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12-13-2015 02:41 PM  35 months agoPost 11
Dr.Ben

rrMaster

Richmond, VA, USA

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Tell me your eyeglass prescription, at least the sphere. I'm testing and trying V2's with D inserts this week. If we compare apples to apples with degree of myopia correction, you won't be taking a gamble when you purchase.
Also, go to fpvlab and search a thread which covers making your own diopter inserts from discount glasses sources. Not sure if you have them in the UK.
It is clear that almost everyone over a certain age range employs some sort of adjustment to get their image right, regardless of brand. Fortunately once you have it rigged up, you're set.

Ben

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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12-13-2015 06:40 PM  35 months agoPost 12
Climax

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West London, United Kingdom

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Hi Ben, thanks again!

I did see that thread and I've pretty much decided to go ahead and get a set of HD V2's.

I need to get an updated eye prescription as I know mine isn't quite right anymore. If need be I'll make up a set of diopter inserts to fix any focus issues. Getting donor lenses in the UK is straightforward.

I'll post back once I've received them with an update.

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12-17-2015 02:24 PM  35 months agoPost 13
Climax

rrVeteran

West London, United Kingdom

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My HD2 goggles have arrived and I'm pleased to say that I have absolutely no focus issues with regard to the image being too close in.

As was suggested, the view is similar to standing 6' in front of a 7' screen (approximately).

The HD2 goggles are nowhere near as immersive as the Headplay goggles which for me is a good thing!

The only potential issue I have is finding the best IPD setting and foam combination to minimize (or eliminate) the blurring effect at the image edges.

Interestingly the googles shipped with a set of -2 diopter inserts. I appreciate that this is a common prescription, but I've also read that some people with "normal" vision have found these useful when compensating for the foam/face fit/IPD edge blurring. I've not experimented with this yet.

More later...

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