Canon introduced now model of 5d series 5dsr. This camera have 50 megapixels. But all other options compare to 5d mark lll has same.this camera dose not provide 4k vedios. Now a days all people looking 4k vedios .all other functions almost same as all other 5d series. If we buying this camera more better to choose canon eos 5d mark lll. This camera provide 22 megapixels.