In fact the Olympus implementation of this feature moves the sensor by half a photosite diagonally. They do it by re-purposing the existing in-body stabilizatio

In fact the Olympus implementation of this feature moves the sensor by half a photosite diagonally. They do it by re-purposing the existing in-body stabilization mechanism to move the sensor around. User 'twic' posted a link to a very interesting article that describes this and also explains the difference between photosites and pixels: https://chriseyrewalker.com/the-hi-res-mode-of-the-olympus-om-d-e-m1-mark-ii/ https://chriseyrewalker.com/the-hi-res-mode-of-the-olympus-o...