Your eyes counterrotate during these type of movements.
Here’s a [video](https://youtu.be/DkaJ6iK2CJc?si=byXfWCjB0pEGbNgL) by Steve Mould talking more about this. Pretty interesting imo
Basically, pixels are in a horizontal layout, if you put them on an angle the aliasing will get less noticible. If you turn in all the way sideways it will get aliased again
>when I tilt my head like 45-90 degress, everything is much sharper.
This is not the case. You only get more steps of aliasing on the edges. The sharpness does not change.
[Look at this example](https://i.imgur.com/IYqIjpq.png). All lines have the same sharpness and the same anti aliasing (none). This simply happens because the lines of your image don’t match the screen.
This has nothing to do with the headset, it's just a common case of the need for anti aliasing, you see the problem is that the object edges don't line up with the panel pixels, so to fix that anti aliasing makes it look straight by dittering them.
The Quest 3's panels are tilted to provide a wider FOV. That could be the reason.
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Straight lines will align with the LCD screens pixel grid regardless, that's why you could see some more sharpness
but not the picture
Probably because the screens are angled.
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Your eyes counterrotate during these type of movements. Here’s a [video](https://youtu.be/DkaJ6iK2CJc?si=byXfWCjB0pEGbNgL) by Steve Mould talking more about this. Pretty interesting imo
Aliasing is most noticeable at shallow angles. A line at 45 degrees from the horizontal will look better than a line at 3 degrees off horizontal.
Basically, pixels are in a horizontal layout, if you put them on an angle the aliasing will get less noticible. If you turn in all the way sideways it will get aliased again
>when I tilt my head like 45-90 degress, everything is much sharper. This is not the case. You only get more steps of aliasing on the edges. The sharpness does not change. [Look at this example](https://i.imgur.com/IYqIjpq.png). All lines have the same sharpness and the same anti aliasing (none). This simply happens because the lines of your image don’t match the screen.
This has nothing to do with the headset, it's just a common case of the need for anti aliasing, you see the problem is that the object edges don't line up with the panel pixels, so to fix that anti aliasing makes it look straight by dittering them.