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Re: Humans (and cameras and scanners) do not have a color gamut (?)
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Re: Humans (and cameras and scanners) do not have a color gamut (?)


  • Subject: Re: Humans (and cameras and scanners) do not have a color gamut (?)
  • From: Henry Davis via colorsync-users <email@hidden>
  • Date: Tue, 7 Jan 2020 16:45:01 -0500

When the “cameras absolutely do not have gamuts” quote moves from “some
response” of a camera to “color accuracy” I get lost.  It sounds as though
there is a ruler(the display) measuring a non-dimensional entity for accuracy.

The quote seems to assume that the camera has infinite perfection but it’s up
to some mysterious other entity to prove that it doesn’t have infinite
perfection.

I’m now losing my fight to understand - I was pretty much following the
previous threads about the distinction between color and numbers but this curve
ball has me swinging and missing.  I believe the quote was supposed to bring
some clarity but it didn’t work for me.  Maybe there’s another way to explain
not having a gamut that will help.

Henry Davis

> On Jan 7, 2020, at 3:56 PM, Andrew Rodney via colorsync-users
> <email@hidden> wrote:
<Snip>
>
> Further (and getting back to Fairchild), I asked this question directly to
> Mark D. Fairchild from RIT and I just would like to share his answer here:
>
> “This one is easy for me … cameras absolutely do not have gamuts.

> . . . I can put any visible stimulus in front of any camera (that responds to
> visible light) and I will get some response. How that response is rendered to
> a display has an impact on the quality and color accuracy of the camera, but
> it in no way creates a gamut (only the display or some arbitrary limitation
> of the display . . .
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  • Follow-Ups:
    • Re: Humans (and cameras and scanners) do not have a color gamut (?)
      • From: Iliah Borg via colorsync-users <email@hidden>
References: 
 >RE: perceptual differences in Lab deltaE (From: Roger Breton via colorsync-users <email@hidden>)
 >Re: perceptual differences in Lab deltaE (From: Wire ~ via colorsync-users <email@hidden>)
 >Re: perceptual differences in Lab deltaE (From: Andrew Rodney via colorsync-users <email@hidden>)
 >Humans (and cameras and scanners) do not have a color gamut (?) (From: WAYNE BRETL via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Andrew Rodney via colorsync-users <email@hidden>)

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