Like its predecessors , it has the same 1 - inch 20.2 megapixel CMOS sensor and ISO levels 12800 .
In June 2015 , Sony released the Cyber-shot DSC - RX100 IV , the mark - IV version of the RX - 100 .
Like Sony 's predecessors , Sony has the same 1 - inch 20.2 megapixel CMOS sensor and ISO levels 12800 .
In June 2015 , Sony released the Cyber-shot DSC - RX100 IV , the mark - IV version of the RX - 100 .