+10 Digital Camera Pixels Definition References

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Digital Camera Pixels Definition. There is absolutely no concept of dpi yet (no paper size is defined in the camera, inches are a very undefined concept at that point). If you look through the specifications of a digital camera, one of the first things you should see is the number of pixels its sensor holds.

Polaroid i20X29 Digital Camera with 20 MegaPixels & 10x Optical Zoom
Polaroid i20X29 Digital Camera with 20 MegaPixels & 10x Optical Zoom from www.walmart.com

Two figures are usually quoted: The latter is cheaper, and using the former with long telephoto reach means you just crop the final image, making most of the 61.44 million pixels unused. The size of an image taken at different resolutions.

Polaroid i20X29 Digital Camera with 20 MegaPixels & 10x Optical Zoom

Each pixel/photosite is made up of 1 red, 1 blue and 2 green sectors. The numbers 720 and 1080 refer to the horizontal resolution. Two figures are usually quoted: The ‘mega’ in megapixels stands for ‘million’, so a camera that offers 24 megapixels will produce images with 24 million tiny squares of specific colour values.