Nikon RGB vs Adobe's sRGB
Nikon RGB vs Adobe's sRGB
- Subject: Nikon RGB vs Adobe's sRGB
- From: Richard Wagner <email@hidden>
- Date: Mon, 5 Jan 2004 15:09:58 -0700
I just consulted with another photographer and the question came up -
is
there any perceivable difference between Nikon sRGB used in the D1X
camera vs
Adobe sRGB available in Phtoshop CS?
I haven't checked Nikon's sRGB, but a similar problem came up with
Nikon AdobeRGB. My post to another list is reproduced below.
For those who want the "real" Adobe1998 profile embedded in their files
(and not the Nikon "equivalent"), it's relatively easy to do without
resorting to PS to assign (or "null convert") profiles. This has no
functional significance, other than to decrease confusion among those
receiving the files who might otherwise think that the profiles are
significantly different.
The Nikon Adobe1998 (aka NKAdobe.icm) and bone fide Adobe1998.icm files
are very similar, but they are not exactly the same. Nikon, for some
inexplicable reason, left out the "Media black-point tristimulus"
setting, which should be 0,0,0. Everything else is essentially
identical to the
bone fide Adobe file. Therefore, instead of modifying the Nikon file to
have the correct non-Nikon, pure Adobe name inside (but with incomplete
media settings), use a copy of the real Adobe1998 file to replace
Nikon's file (NKAdobe.icm). Rename the copy of the Adobe file to
NKAdobe.icm and replace Nikon's version. It should work fine, as
Nikon's software is just looking for a profile with the correct name.
The embedded profile will then be AdobeRGB 1998, rather than Nikon
AdobeRGB 1998..
Make sure to watch out for other, similar-sounding files (e.g.,
%_NKAdobe.icm, etc.) that should NOT be replaced or modified.
--Rich
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