You nailed it. You could use pix4d, photoscan, bundler + pmvs, inpho, areohawk, etc many years ago to achieve exactly what this is showing. With wharever camera

You nailed it. You could use pix4d, photoscan, bundler + pmvs, inpho, areohawk, etc many years ago to achieve exactly what this is showing. With wharever cameras you happen to have had at the time, strapped to whatever you feel like strapping it to. The author of the article did not do due dilligence on the subject.