Color Management: sRGB or Adobe RGB?

[hdmesa]

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23 hours ago, ralphh said:

 

I completely disagree with that statement. It's only in the most saturated colours (the furthest from pure black / white / grey) that it makes any difference having a bigger colour space.  You are still confusing dynamic range with colour space.

 

No need; I have no doubt the Eizo is the right one.  Unlike the Eizo there is no way to make a hardware adjustment to the ASUS so I'll just leave it.  The difference is not enough to be annoying.

I only bought the ASUS because I wanted a second screen of the same size and spec at 1/4 the price of a second Eizo.  To be fair to the ASUS, it is miles better than most screens i've used; mine is just a bit unfortunate in that it's sitting next to an Eizo

This time I’m just stating what I see: two files created from the same original, one exported as P3, one as sRGB, both  displayed on a wide gamut monitor and a cheap sRGB one. There is more detail in the mid-shadows in the P3 version on both monitors. Don’t know why, but there is. Perhaps an expanded color gamut increases the perceived dynamic range (sRGB conversion may map some of the colors in the shadows to more muddy, darker colors).

Edited August 23, 2019 by hdmesa

[PaulJS]

So if I shoot RGB in raw, and decide to change to Adobe RGB in Light Room, I can easily convert just like changing white balance??

[jaapv]

Even better. You cannot shoot RGB in raw.

[mbphotox]

Well, there must be some kind of color space that the sensor is limited to.. 

 

But yeah, RAW isn't affectedby the colour space chosen in camera.

[jaapv]

Not really. Raw is just a data set.The colour space is defined upon conversion.

[mbphotox]

Still, the colour filters in front of the lightwells must be limiting somehow.

But yeah, the sensor measures x,y,z values for red, green and blue (not on the same pixel, though) and the converter will "translate" those measurements to R, G, and B values. (Depending on the colour space, 0:255 (or whatever is the maximum number in the various colour spaces):0 will be a different green, right?)

 

 

Still, I've never had a camera that was successful at perfectly capturing the dark purple of some flowers around our house. (Don't have an example at hand, right now, since I gave up trying..)

[jaapv]

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Yep, Jacaranda,  Bougainvillea and Lavender are near-impossible to photograph. The same on film.

Anyway, the colour of the Bayer filters certainly makes a difference for the palette of a camera. However, the profile (which matches the known input of various colours to the digital output) makes far more of a difference. Proper profiling and calibrating can get two different sensors very close to a match.

 

I see a confusion between gamut and space here. A colour space is a mathematical description of the colour values that can be rendered, a gamut is the range of colour that must be rendered. Look at this way: Colour Space is a  room that will contain furniture (=colours) and can be small or large. Sometimes furniture will not fit inside the smaller room and must be modified to something that will fit inside or left outside. Even if you move to a larger room, the modified furniture will not change, and although  it will fit the larger space, it will not fill it, or still be outside.

A sensor is the furniture factory, a raw conversion the building of the room.