Why do smartphones have triple-quadruple cameras when “dedicated” cameras have just one? What makes it better and why do we not see the 3-camera setup on actual cameras then?
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The smartphone having multiple cameras is really just a by-product of the smartphone wanting multiple lenses.
A dedicated camera has a single, larger, adjustable lens. There’s no room for a big adjustable lens in a smartphone, so instead they use small, non-adjustable lenses and therefore need multiple cameras to align with each independent lens.
The other part is that the long dimension of a lens is perpendicular to the plane of the screen, which is the most limiting dimension of a phone. There’s height and depth available, but really not much depth/thickness available. So it makes sense to halve multiple thin components rather than one deep/thick one.
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