Why do we make double-triple-quadruple eyed cameras in smartphones instead of just improving the specs and keeping one lens?

Question

Why do we make double-triple-quadruple eyed cameras in smartphones instead of just improving the specs and keeping one lens?

In: 1359

Answer 1

This is ELI5 so: we use different lenses for different purposes. Some are good close range, long range, for portraits or landscapes. We use different lenses for the same reason we don’t have different sizes and shapes of hammers. You wouldn’t use a sledgehammer to build a simple rack for example.