SonyPixelShift2DNG combines a7R III Pixel Shift shots into DNG files

One of the useful features baked into Sony's latest flagship mirrorless full-frame camera--the Sony a7R III--is the Pixel Shift Multi Shot mode in which the camera captures four consecutive images, shifting the sensor one pixel for each. This allows the camera to sample each point in the scene with each of its four color filters (R, G, B, G2). Those images are then combined in post to produce files with improved 'crispness', color resolution, noise and dynamic range. It's essentially meant to ov...