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→magnification and resolution
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[[File:iPod touch screen.png|150px]] | [[File:iPod touch screen.png|150px]] | ||
On our screen capture through the microscope we see approximately 5,8 x 4,2 pixels of the screen (one pixel consists of a triplet of red green and blue). Now we know that we are looking at a surface of ~ 0,45 x 0,33 mm. | |||
To calculate the magnification factor the pixel density of the display must be taken into account. | |||
==capturing from the webcam== | ==capturing from the webcam== | ||