Spectrocam and UV
Spectrocam and UV
- Subject: Spectrocam and UV
- From: Roger Breton <email@hidden>
- Date: Tue, 12 Jun 2001 08:27:42 -0400
Morgan,
I believe the SpectroCam has no UV filter. But you should ask Spectrostar
directly, the makers of the SpectroCam at www.spectrostar.com, for the final
word on this. They are very nice people. As far as using the SpectroCam for
making reflective measurements is concerned, make sure you know what you are
getting into. Yes, it's fast. But, in my extensive comparative testing, I
found the instrument systematically underestimating saturated colors. What
this did is at the time of generating ICC profiles from these measurements,
the gamuts I was getting were "shrunk" in the order of 5% to 10%, as
ccompared with those I was getting from other spectros. Some people on the
list (including SpectroStar themself) argue that this difference is not
visible. You can make the argument that if the SpectroCam is to be the
"judge", then it's OK. But if you are to make your measurements agree with
other spectros like the Gretag's and the X-Rite's, make sure you know what
you are getting into.
For monitor calibration, it's another story altogether although I have not
beeen able to ascertain its relative accuracy.
Hope this helps.
--
Roger Breton
Quibec Institute of Graphic Communications
Montrial (Quibec) Canada T. (514) 389-5061 F. (514) 389-5840
email@hidden
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Message: 14
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From: "Morgan Cox" <email@hidden>
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To: email@hidden
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Subject: Spectrocam and UV
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Date: Mon, 11 Jun 2001 12:38:36 -0700
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Please clarify some heresay and ideas in my head.
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I've heard that the Spectrostar Spectrocam has a UV filter on the light
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coming OUT of the device.
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If this is the case, wouldn't papers that floresce still bounce back light
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outside the visible spectrum and cause the problems that UV filter is there
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to prevent?
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I have a customer looking to purchase a profiling package and I am hesitant
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in suggesting the Spectrocam if there would be problems with the super
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bright papers in his RGB photo process printer.
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If anyone has some practical or theretical feedback, it is of course
greatly
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appreciated.
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Morgan