Nikon 9235 Reference Manual - Page 118

Wide Gamut RGB compensated, Scanner RGB, sated Wide Gamut RGB profile redefines Wide Gamut RGB

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Wide Gamut RGB (compensated) (gamma 2.2) Nikon scanners can scan some colors that cannot be expressed using the Wide Gamut RGB color-space profile. The compensated Wide Gamut RGB profile redefines Wide Gamut RGB to include all the colors that can be output from the scanner. Because many of the colors that can not be expressed in Wide Gamut RGB occur in the blue portion of the gamut, the level of detail in the blue area has been greatly increased (because the gamut has been expanded in a nonlinear fashion to incorporate just those colors that could not otherwise be expressed, it can not be represented in chromaticity diagrams using a standard RGB triangle). As is the case with Wide Gamut RGB, most of the colors defined in this profile can not be reproduced on monitors and printers. It is output to the host application as Wide Gamut RGB. If you are scanning images into Photoshop 5.0 using this profile, you can set the Photoshop RGB profile to "Wide Gamut RGB." Default Windows Monitor Profile (gamma 2.2) The default Windows monitor profile ("NkMonitor_Win.icm") is identical to the sRGB profile. Default Macintosh Monitor Profile (gamma 1.8) The default Macintosh monitor profile ("NkMonitor_Mac.icm") is identical to the profile used for Apple 17˝ monitors with a D50 white point (see table for details). Scanner RGB (gamma 2.2) This profile replicates the color space achieved when scanning with Nikon CMS off. It is used when you want to use the LCH editor and Unsharp Mask tools, which are not available when Nikon CMS is off, to edit the colors produced by the scanner. In order to produce the effect achieved by turning Nikon CMS off, the monitor profile is not used, nor is an ICC profile included with the image when it is opened in the host application. Reference: Preferences 117

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117
Reference: Preferences
Wide Gamut RGB (compensated)
(gamma 2.2)
Nikon scanners can scan some colors that cannot be expressed
using the Wide Gamut RGB color-space profile.
The compen-
sated Wide Gamut RGB profile redefines Wide Gamut RGB to
include all the colors that can be output from the scanner.
Be-
cause many of the colors that can not be expressed in Wide
Gamut RGB occur in the blue portion of the gamut, the level of
detail in the blue area has been greatly increased (because the
gamut has been expanded in a nonlinear fashion to incorporate
just those colors that could not otherwise be expressed, it can
not be represented in chromaticity diagrams using a standard
RGB triangle).
As is the case with Wide Gamut RGB, most of
the colors defined in this profile can not be reproduced on moni-
tors and printers.
It is output to the host application as Wide
Gamut RGB.
If you are scanning images into Photoshop 5.0
using this profile, you can set the Photoshop RGB profile to
“Wide Gamut RGB.”
Scanner RGB
(gamma 2.2)
This profile replicates the color space achieved when scanning
with Nikon CMS off.
It is used when you want to use the LCH
editor and Unsharp Mask tools, which are not available when
Nikon CMS is off, to edit the colors produced by the scanner.
In
order to produce the effect achieved by turning Nikon CMS off,
the monitor profile is not used, nor is an ICC profile included
with the image when it is opened in the host application.
Default Windows Monitor Profile (gamma 2.2)
The default Windows monitor profile (“NkMonitor_Win.icm”)
is identical to the sRGB profile.
Default Macintosh Monitor Profile (gamma 1.8)
The default Macintosh monitor profile (“NkMonitor_Mac.icm”)
is identical to the profile used for Apple 17˝ monitors with a D
50
white point (see
table
for details).