Re: ColorMunki?
Re: ColorMunki?
- Subject: Re: ColorMunki?
- From: Graeme Gill <email@hidden>
- Date: Fri, 30 Jan 2009 12:30:28 +1100
Marco Ugolini wrote:
Judging from the few specs that I have been able to glean so far -- in spite
of the lack of any publicly available detailed information on this device --
the ColorMunki is a diffraction grating spectrophotometer (not just a
colorimeter), with one white LED as a light source, and no ability to detect
OBAs (it is effectively UV-cut). Also, its sampling interval is 3.5nm with a
spectral reporting of 10nm, which means that it behaves similarly to an i1
Pro in that respect. I'm not sure what its spectral range is, but I would
guess it starts at 400nm on the higher-frequency side of the visible
spectrum, and possibly goes to 700nm on the lower-frequency side, versus the
730nm of the i1Pro or the iSis.
The basic spectrometer module seems very similar in construction
to that of the i1iSis, although some of the details may be
different (Number of White LEDs, no UV LED).
The ColorMunki wavelength range appears to be a bit more
limited than the i1pro, with a reflective mode range of 430 - 730
(the 380 - 420 readings being copies of the 430),
and slightly better in emissive mode, 400-730 (380 & 390
being copies of 400nm). This limit for reflective is probably
partly because there isn't enough illumination at those wavelengths
(no UV LED), but I'm not sure why the emissive range doesn't
go to 380nm. Interestingly the "dip" in the illumination between
the blue of the LED and the white phosphor response makes
readings at those wavelengths (480nm) somewhat noisier
than other better illuminated wavelengths, but whether it's
worse than an incandescent illuminated instrument is an
interesting question (The illumination at 440 is certainly
better than an incandescent, even if it is rather narrow).
So, from what I've been able to gather, it looks like a potentially
versatile tool (except for being UV-cut). But, though it seems that it could
lend itself to professional uses, it is *not* supported so far by
ProfileMaker or Monaco Profiler or other higher-end profiling applications,
and still remains a tool for the mass market instead.
It does seem a little cumbersome reading patch strips compared to the
i1pro, and this is reflected in size and number of patches the software
places on each sheet.
Graeme Gill.
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