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?

Question

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?

In: 859

Answer 1

Good actual cameras have interchangeable lenses and professional photographers would own more than three usually.
You just can’t make single lens which would be good for all circumstances (first of all, different focus length or “zoom”).
Several cameras on a phone is a substitution.