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Color is the human perception of light as having different hue, from reds and oranges, through yellows and greens, to blues and violets. Color is a fundamental aspect of the arts and photography.

14 votes

Why don't cameras offer more than 3 colour channels? (Or do they?)

RGB camera sensors are so popular because they reproduce human vision That's what most people need - making photos that look like what we see. Replacing RGB subpixels with more different kinds of fi …
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0 votes

How do different colours look in Infrared Light?

You can produce two materials, having the same color and make them look different in infrared. However, near infrared is the neighbor of red. …
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4 votes
Accepted

The meaning of Y in sRGB color space

The table shows the CIE 1931 xyY color space equivalents for the 3 primary colors of sRGB and for white (sRGB 1 1 1). … So all the table says is: sRGB(1,0,0) = xyY(0.6400, 0.3300, 0.2126) sRGB(0,1,0) = xyY(0.3000, 0.6000, 0.7152) sRGB(0,0,1) = xyY(0.1500, 0.0600, 0.0722) sRGB(1,1,1) = xyY(0.3127, 0.3290, 1.0000) RGB color
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2 votes

what technology does Nikon use to reduce moire?

In general, it is not possible to reliably remove moire once it has been captured by the sensor. That's why the correct way to handle the problem is the blurring filter placed before the sensor. In t …
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