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LED RGB - micro vision
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PostPosted: Sat Mar 25, 2023 1:04 pm    Post subject: LED RGB - micro vision Reply with quote
It looks 3D to me eyes: red looks to be set deeper than green and blue. Could be an illusion?
Magnification around 22ish X
Here it is



Last edited by Himself on Mon Apr 22, 2024 4:21 pm; edited 1 time in total


PostPosted: Sat Mar 25, 2023 1:21 pm    Post subject: Reply with quote
Are you by any chance wearing spectacles for far-sightedness or reading glasses?

I am wearing a strong prescription pair of spectacles for near-sightedness (L -6 diopters / R -5 diopters), and they are high index lenses with a high level of chromatic aberration. With those on for me the red actually seems to step forwards, and the blue is set further back. Very noticeable when I turn my head a bit whilst looking at the screen.

EDIT: when I take those spectacles off, the image seems flat.


PostPosted: Sat Mar 25, 2023 1:40 pm    Post subject: Reply with quote
I do wear spectacles for distance ( -4 ) but for reading I'd taking them off.
I can stay in front of my computer with them on or off.
Still a tiny bit 3D with them off and more pronounced with them on.

Last edited by Himself on Mon Mar 27, 2023 4:45 pm; edited 1 time in total


PostPosted: Sat Mar 25, 2023 7:02 pm    Post subject: Reply with quote
Optical illusion.

https://en.m.wikipedia.org/wiki/Chromostereopsis


PostPosted: Sat Mar 25, 2023 7:27 pm    Post subject: Reply with quote
visualopsins wrote:
Optical illusion.

https://en.m.wikipedia.org/wiki/Chromostereopsis


Interesting;

Quote:
The effect can appear much more pronounced when suitable images are viewed while wearing eyeglasses needed to correct myopia, with the effect almost completely disappearing when the glasses are removed.


That is exactly what I experience! Smile


PostPosted: Sat Mar 25, 2023 11:21 pm    Post subject: Reply with quote
visualopsins wrote:
Optical illusion.

https://en.m.wikipedia.org/wiki/Chromostereopsis


Very interesting!
According to that, I experience negative chromostereopsis.


PostPosted: Sun Mar 26, 2023 6:00 pm    Post subject: Reply with quote
I wear varifocals and the green seems closer at reading distance focus and the blue is closer at further distance focus. The red stays about the same.


PostPosted: Mon Mar 27, 2023 1:59 pm    Post subject: Re: LED RGB - micro vision Reply with quote
Himself wrote:
It looks 3D to me eyes: red looks to be set deeper than green and blue. Could be an illusion?


I have 0,0 diopters on both eyes, and I don´t see any color protruding above the others. But I see a 3D effect within the structure of the LEDs itself. Thank you for sharing this. I´ve never seen working LED that close.


PostPosted: Mon Mar 27, 2023 4:43 pm    Post subject: Re: LED RGB - micro vision Reply with quote
ZuikosHexanonsandVivitars wrote:
Himself wrote:
It looks 3D to me eyes: red looks to be set deeper than green and blue. Could be an illusion?


I´ve never seen working LED that close.


Never seen them either. It was a surprise for me to see that pattern. I photographed them before but never at that magnification.
I might be the first one to do that ( except the lab people).
I looked for something similar in Alamy, Getty, Shutterstock, Google images, Istock, and all I found was the pattern seen at around 2-3 X magnification.


PostPosted: Fri Mar 31, 2023 7:20 pm    Post subject: Reply with quote
That's actually the rgb filter layer -- like the colors were squirted from nozzles.

Explanation from some seeing depth reversed from others is illustrated thus:


Photo by Peter Robert's https://www.flickr.com/photos/159559975@N08/30178006127/

Notice the blue pattern can appear above or below the red towers -- like the common corner illusion that reverses...

http://www.anopticalillusion.com/2012/04/corner-house-by-istvan-orosz/
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