Ultra-thin lenses could eliminate the need for smartphone camera bumps

Protruding camera bumps like on the iPhone 11 Pro Max could soon be a thing of the past. Smartphone cameras have been improved a lot over recent years and while many improvements are down to software and image processing, hardware also plays a big part. Sensor sizes have been increased, lenses have become faster and optical tele lenses offer better zoom performance. However, there's also a drawback to these developments. Due to the laws of physics, faster and longer lenses, especially when combi...