The Samsung Galaxy S20 Ultra comes with a brand new 108-megapixel sensor for the main camera and by default it cleverly fuses 9 individual pixels into one to come up with a final 12-megapixel photo that is lighter in size but still has an outstanding quality. But you can also shoot at the full 108 megapixels if you wish. What’s the difference between those 12MP shots and the full 108MP photos?