Alley in Pisa, Italy

by Lars Kotthoff

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17
votes
5answers
19k views

How many colors and shades can the human eye distinguish in a single scene?

How many distinct colors, shades, hues, and tints can the average person distinguish in a single scene? In other words, what's the theoretical bit-depth required to be sure of recording a photograph ...
13
votes
3answers
4k views

Is 14-bit RAW better than 12-bit RAW?

A regular JPEG image has only 8 bits to store information about the tone of each pixel. When storing the image in RAW format (for example, DNG), we can store tone using more bits per pixel, which ...
7
votes
4answers
1k views

How many bits of data are typically actually captured by a digital camera sensor?

In a comment on this question someone suggested that camera sensors typically only output 12-14 bits of data. I was surprised because that would mean that 24 bits of color is only useful for doing ...
17
votes
3answers
1k views

How can dynamic-range be larger than sensor bit-depth?

Found something that confused me and so I thought the crowd here can probably answer this one since its camera-related and technical at the same time. How can dynamic-range be larger than sensor ...
9
votes
5answers
969 views

What's the difference between colour space and bit depth?

I know that there are different types of colour space and that sRGB is the most common. Bit depth defines the variations of a colour channel, where (I think) 8 and/or 16 bits are the most common. ...