You don’t always need a lens to see a picture, you can use a pinhole camera instead. A pinhole camera uses a small hole that allows light to pass through to allow your eye to see an image. This was ...

Researchers have used the centuries-old idea of pinhole imaging to create a high-performance mid-infrared imaging system without lenses. The new camera can capture extremely clear pictures over a ...

The first Pinhole camera (Camera Obscura) was used to trace an image. Camera Obscura is used to make an image on metal plates coated with chemicals. This was when the first permanent photograph was ...