As far as the cameras are concerned, the iPhone 12 mini on the rear packs a 12-megapixel primary camera with an f/1.6 aperture and a second 12-megapixel camera with an f/2.4 aperture. The rear camera setup has auto focus. It sports a 12-megapixel camera on the front for selfies, with an f/2.2 aperture. iPhone 12: