These 3D-printed hotshoe covers remind you what speed film you have inside your camera

Before the days of LCD displays, the only way you could keep track of what speed film you had in your camera was to remember it, select a dial on the camera, or cut out a piece of the film box and place it in a designated area on the back of the camera. However, not all cameras have ISO dials or places to put a note; and even if they do, some have a limited range of ISO labels to choose from. To remedy this problem, photographer Guy Sie customized a set of 3D-printed hotshoe covers with common I...