Scott, You make a good case and what drew me to the Spectrocam in the first place was the scan mode which would speed things up greatly in comparision to the Swatchbook at the same price. So I guess I will put it back on my list as top a posibility. Thanks again, Martin --- In DigitalBlackandWhiteThePrint@y..., "Scott Hendershot" <scott@p...> wrote: > Martin, > > I didn't mean to imply that the Spectrocam was not accurate. It is. What > happens is that when you are scanning a line of patches you may get a CRC > error. A CRC error indicates that there was a communication error between > the Spectrocam and the computer. If you get an error you will have to scan > the line over again. An inconvenience, but not a show stopper. The > communication errors have nothing to do with the measurement accuracy. > > I can see no evidence of poor quality control. My unit is very well made and > a joy to work with. I believe that an earlier design had some issues with > shielding and so were subject to interference from other electrical devices. > The current generation does not seem to have that problem. > > The Spectrocam can make 35 measurements per second. This is software > configurable. After all the measurements are taken it then integrates them > into a single reading. I have mine set to make the full 35 measurements > since I am using it in the non scanning mode. This results in a one second > reading duration. > > The scan mode is set up so that the Spectrocam just starts making > measurements continuously. As you move it over the row of patches to be > scanned it recognizes when one patch ends and another begins. After it > recognizes that all patches have been scanned it stops making measurements > and assumes the row is complete. > > The Spectrocam software for the PC does not include monitor calibration like > your monitor spyder does. I think the software is lacking in this regard. It > does have the ability to measure the color temperature of your monitors > white point. The monitor spyder is a tough one to beat though. > > I agree with Tyler. This is the sort of tool that gets used infrequently. > But when you need a spectrophotometer nothing else will do. Oddly, I have > found that I use it for more than just profiling. I use it to measure the > white point of different papers. I use it to measure the steps of gray ramps > when printing in monochrome and even for measuring the color temperature of > proofing lights. > > I had a Color Mouse initially and found the process of measuring 729 patches > far to tedious and slow. I couldn't stand to use it. I have never regretted > sending it back and purchasing the Spectrocam. > > Scott > (snip earlier)
Message
[Digital BW] Re: Culbertson's RGB method A-OK
2001-08-31 by Martin Wesley
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