If you're fed up with the high cost of camera lenses, help may be at hand. Ari Jaaksi, a photographer in Finland, built his own lens for a mere 8 euros ($8.72/£6.71). Naturally, such a lens isn't ...

A periscope camera lens is a lens assembly that uses prisms, mirrors, or a combination of them to redirect light before it reaches the camera sensor. In doing so, it magnifies the image more so than ...