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Digital Cameras

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Jacqui Knipe

on 14 May 2014

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Transcript of Digital Cameras

How does an image get into the camera?
Let's see how it works
Step 1
Press the button
When you take a photo with a digital camera you normally press a button.
This opens an aperture (fancy word for hole) at the front of the camera and light comes into the camera through the lens
Step 2
Let the light in
When the light comes into the camera through the lens there is an electronic sensor (a bit like a solar panel) that captures the incoming light rays and turns them into electrical signals.
Pixelise it!
The sensor inside the camera splits the image up into millions of pixels (squares). The sensor then measures how much light is arriving at each pixel. This information is turned into a number that can be stored on a memory chip inside the camera
#10 - AE-1 by Taylor Bennett Attribution-NoDerivs License
Resources used
How a Digital Camera Works by Wendy Owen www.youtube.com/watch?v=E_OsK5_sElA
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