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Demystifying DPI
#143 | 17:36 |
Monday October 20, 2008
Lab Rats
Monday October 20, 2008
In episode 143, Andy and Sean explain Dots Per Inch with the assistance of a giant green eyeball, and talk about why that's different from image resolution. Sean breaks out the EyeClops microscope to get a close-up, showing off the pixels and dots that make up the picture both on screen and in a printed image.
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720p HD Quicktime Show Notes
DPI: dots per inch.
Physics geek alert: More on photons at Wikipedia - Photons
Monitors vary: Dot pitch is the big variable.
EyeClops Bionic Eye Multi-Zoom: $45 US.
Pixel = a picture element.
Learn more about RGB.
More information on inkjet printers.
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