Eli5:If the pupil expands and shrinks depending on light, why dosent our field of view change with the pupil?
In: 6
Hey listen, this isn’t going to be an actual exact explanation, so I hope they don’t delete it, but if you want to do a cool experiment regarding this, make a pinhole camera for observing the sun using a cardboard box. Try it in midday when the sun is out and there’s no cloud interference and you’ll get a great image of the sun on the inside of the box. Then, open up the hole a little more and look again. This is a perfect analogy for the situation you’re asking your question about. What you’ll get is just a brighter image of the sun, not a bigger or smaller image or focused differently or anything. You just get a brighter image.
Don’t open it too big or it’ll start to get really blurry though.
edit: you know come to think of it if an actual 5-year-old ask me this question this would be part of how I explained it to him, so I guess it actually is a legit answer and I shouldn’t have worried about it being deleted.
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