Why do we make double-triple-quadruple eyed cameras in smartphones instead of just improving the specs and keeping one lens?
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The light collected by a camera is information about the world. Think of it as polling people’s opinions.
A giant lens and camera used for nature or sports photography can take in a whole city’s population worth of information at once. This allows for more accurate breakdowns of opinions and allows you to hear the thoughts of smaller, marginalized groups.
A cell phone camera lens can’t collect as much information no matter the quality of the lens because not as much light goes into it. It can be made to sample households in a neighborhood but not else.
One option is to add more cameras to sample more neighborhoods. Another option is for it to sample each person in a set of houses finely like a large lens (telescope lens). Another way is to sample sparsely over a larger region (fisheye or wide angle lens). Add all 3 types and you have more options in how to sample the world’s light information.
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