Have you ever wanted to use your DSLR camera lenses on your smartphone? Well, a new concept phone offers this option.

For many people, buying a phone is equivalent to buying a personal camera. But Chinese phone-maker RealMe is blurring that line with a concept device that lets you change the lens on the phone, much like on a high-end mirrorless camera.

Smartphone manufacturers are battling it out for camera supremacy, but the key to it may end up being modularity. Sure, most people won't want to shell out for modular camera attachments on their phones,