Datacolor User to User Support Group.

Thanks




--- In datacolor_group@yahoogroups.com, C D Tobie <CDTobie@...> wrote:
>
> 
> On Aug 27, 2009, at 6:52 PM, ejc_1@... wrote:
> 
> > 2 different brand monitors should not calibrate identical, correct?
> >
> > on same pc?
> 
> The idea (well, one idea)  of calibration and profiling displays is to  
> match them, as closely as possible, to each other. If side by side  
> matching is required, rather than the more relative type of matching  
> that general calibration offers, then StudioMatch (available in  
> Spyder3Elite only) would be used to define a single white luminance  
> level for all the involved displays. Ideally one would also match  
> black luminance levels, but not all displays offer the controls needed  
> to do so. Once an appropriate target has been generated and all the  
> displays calibrated to it, then they are as close as possible on a  
> calibration level (hardware adjustments, and video card adjustments).  
> Next the profile for each display must be utilitized by a color  
> managed application that is capable of multiple display profiling  
> (Photoshop is the usual example).
> 
> Several of the stumbling blocks that that people often run into:
> 
> They want to do the unreasonable, such as match a CRT to an LCD.  
> (Attempt to match only similar display types).
> 
> They forget about gamut limits, and try to match fully saturated  
> colors that are outside the gamut of one or more of the displays. (Use  
> in-gamut colors for testing matching).
> 
> They expect perfect matching in non-color managed locations. (Like on  
> the Windows desktop, or in Internet Explorer).
> 
> They are using a system which does not offer the necessary control to  
> fully color manage multiple displays. (Typically Windows with only one  
> videocard).
> 
> They assume that matching should be so perfect that the eye can't  
> distinguish a difference. (The eye is amazingly good at this, and can  
> often distinguish, even after careful calibration).
> 
> They are using displays with significantly different blacks, and no  
> controls for adjusting blacks. (Attempt to match only similar display  
> types). Which brings us back around to the first comment again...
> 
> 
> C. David Tobie
> Global Product Technology Manager
> Digital Imaging & Home Theater
> CDTobie@...
> 
> 
> 
> Datacolor
> www.datacolor.com/Spyder3
>