Lenses are used in cameras, telescopes, binoculars, ... In a ray diagram, a converging lens is drawn as a vertical line with outward facing arrows to indicate the shape of the lens.

X-Ray Imaging Camera Lens Persuaded To Join Micro Four Thirds Camera. ... From the diagram on page 34, there is a thick phosphor coated glass in front of a 100mm f1.5 xr-helidon, ...

A diagram of Google's smart contact lens with integrated camera As you can probably imagine, there are some rather amazing applications if you have two cameras embedded in your contact lenses.

OnePlus says it’s temporarily suspending a camera filter feature on its new smartphone after some users reported that it can see through certain objects and produce what looks like an X-ray ...