The DSC-RX1 was the world's first It was announced in September 2012. that is physically compatible with the ISO 518 standard
hot shoe, with electrical contacts for newer Sony shoe-mounted accessories as well as compatibility with the proprietary
iISO flash shoe via the ADP-MAA adapter.
DxO Mark Based on
DxOMark Sensor Scores (performance), the Sony DSC-RX1 got the best overall score among high-end compact cameras and mirror-less cameras tested with 93 scored, and even the Sony DSC-RX1's overall score is just behind the full-frame DSLR of
Nikon D800, Nikon D800E and
Nikon D600, with 96 and 94 respectively. ==Cyber-shot DSC-RX1R==