They have large-aperture digital cameras that are similar already: http://store.sony.com/smartphone-attachable-lens-style-camera-zid27-DSCQX100/B/cat-27-catid-A

They have large-aperture digital cameras that are similar already: http://store.sony.com/smartphone-attachable-lens-style-camera-zid27-DSCQX100/B/cat-27-catid-All-Cyber-shot-Cameras http://store.sony.com/smartphone-attachable-lens-style-camer... I'm interested why you'd want DSLR, though, because if it attaches to my phone i'd probably be happy to use the phone screen as the viewfinder and save the depth and weight that would otherwise go to a moving mirror assembly.