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Re: Spectrophotometer's Illuminant and Angle Affect


In a message dated 7/17/06 10:27:22 PM, email@hidden writes:


I have noticed that the illuminate and angle for my i1 and DTP41 are 
D50 and 2 degrees. I am guessing they are set the same so their 
readings will be close.

More to the point, so that they will both be working to ICC standards...

The settings on the production floor's spectrophotometers 
(DataColor)  are D65, 2 degrees for our local plant and D50 10 
degrees for our corporate plant.

Datacolor spectros are usually found in the fabric and paint industries, which uses D65 is standard. Different industries, different uses, different standards. For large, flat areas of color 10 degree observer is appropriate. If you are working in ICC-land, not with Datacolor fabric/paint software, then using d50/2 degree would be correct.

C. David Tobie
Product Technology Manager
ColorVision Business Unit
Datacolor Inc.
email@hidden
www.colorvision.com
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