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Its like that sometimes.
(lemmy.nz)
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this post was submitted on 16 Sep 2026
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Focal length equivalent assumes a 35mm sensor or film format. 50mm on 35mm is basically the human range of view (although human eyes are interesting in that our resolution is so much sharper in the middle of the sensor than on the edges, and there's significant variation between individuals.
But the important part is that it isn't actually focal length that makes the effect. It's distance from the camera. If you do a dolly zoom with a fixed focal length lens, where you still push or pull the camera towards or away from a subject, you can still see this effect on the nose and the ears.
A flat, two dimensional representation of a three dimensional object will always have distortion. The effect we see here is about distortion that changes with camera distance, and the change itself is what makes things feel strange.
Doesn't our brain see a 2d-picture anyway? Due to the retina being one layer of photosensitive cells?
yours might? mine only really transitions to 2d after a few miles.
my profession involves being hyper-aware of the five feet immediately around me though. i need to know where things are with my eyes closed or i'll drop something expensive.
The brain constructs 3d from perspective and shadows.
and sound and sensory stimuli we get, yes. Are we talking about the same thing or different things?
My point: we see in 2d. But interpret the picture as 3d.
you see in 2d. i have both my eyes still.
You too see in 2d:
https://www.allaboutvision.com/eye-care/eye-anatomy/depth-perception/