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Old 23-04-2018, 09:11   #1
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Cockpit screen issue

I've just picked up a Lilliput A7S screen (500nits) which upon first blush was great in our cockpit (500nits). The problem is that with polarized sunglasses all you see is a black screen... b

Does anyone know if any of the onscreen filters you can get would change the polarization such that it would work with sunglasses on?

(and yes before anyone asks it's not waterproof (I may fix this in the future..))
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Old 23-04-2018, 09:19   #2
bcn
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Re: Cockpit screen issue

How does it look with the upper edge down (turned 180 deg)?
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Old 23-04-2018, 09:46   #3
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Re: Cockpit screen issue

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Originally Posted by bcn View Post
How does it look with the upper edge down (turned 180 deg)?
Turning it 180 degrees is very unlikely to help with linearly polarized sunglasses...

Turning 90 degrees... THAT might make a difference.
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Old 23-04-2018, 09:57   #4
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Re: Cockpit screen issue

I need to check the rotation.. which I didn't do. But 90 degrees won't really help as I need the screen wider than tall..
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Old 23-04-2018, 10:01   #5
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Re: Cockpit screen issue

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Originally Posted by geoffr View Post
I need to check the rotation.. which I didn't do. But 90 degrees won't really help as I need the screen wider than tall..
Just in case it is not obvious... you can test this by rotating your sunglasses... easier than dismounting the screen...

My point was that a 180 degree rotation puts the polarization in the same exact plane as it started. It won't help. a 90 degree rotation will likely fix the problem of the black screen... but maybe not in a way that is useful to you.
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Old 29-04-2018, 19:19   #6
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Re: Cockpit screen issue

Some fishing sunglasses have a clear section, magnified if required that would work well.

We are using an Eyoyo (A7S) screen in our cockpit and it is great but my other half is complaining about the same issue.

Turning the screen 90 degrees also works.
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