Your iPhone camera is pretty good at taking photos automatically. You just point it, shoot, and the camera works out all the tricky stuff. But what is actually going on in there? How does it take the light that you see and render it as an image on the screen?
In this short series, we’ll look at the physical parts of a camera — the aperture, the shutter, the magnification of the lens, and so on — and see how they affect the final image. Today’s topic: shutter speed.