Recently a high school student posted a photo on reddit that was taken by his school’s high altitude balloon. This is the original photo:
The
thread was sadly locked because of flat earth spam comments relating to the fisheye lens that was used. Indeed, going through OPs comments, he confirmed that he used the Mobius Action Camera. He did not specify the lens but from the colors and the FOV it seems pretty obvious that it was the regular Type-A lens (which suffers from considerable barrel distortion). For this specific combination ... Read even more