Digital photography -
visible light waves
avery hester and alta willaert
visible light waves : facts
- visible lights are the only EM (electro-magnetic) waves we can see
- too much visible light can damage the retina in the eye
- some species can see different parts of visible light that we can't
how EM waves work in digital photography
The optical component of the camera is the lens. A lens is just a round piece of glass. Its purpose is to take the light bouncing off of anything and move them where they create a real picture-- an image that looks just like the scene in front of the lens.
Digital camera diagram
The largest collection of cameras in the world is held by Dilish Parekh of Mumbai, India. He has a collection of 4,425 antique cameras which he has been collecting since 1977.