2 ms·I always wondered how those Mars rover selfies manage to not show the arm holding the camera.by tempodox 6y agoI always wondered how those Mars rover selfies manage to not show the arm holding the camera.amelius 6y agoProbably the images have some artifacts near the point where the arm is attached to the body.ncphil 6y agoWide angle "lens" (done in software). The cheap security cameras I use at home do it by default. Not as obviously distorted as a real fisheye lens, but still effective.