If you're a keen photographer, you may well have some beautiful cameras that shoot onto film rather than record ... In order to get a digital camera into such as small space, some compromises ...

Back in the late 1990s as the digital revolution ... upgrade for 35mm film cameras. Imagine a film cartridge with attached sensor, the idea went, which you could just drop into your trusty SLR ...

The promised technology enables any standard 2D camera – such as those on smartphones, laptops or cars – to morph into 3D cameras that seamlessly merge the physical and digital world.