Sunday, May 30, 2010

The issue of metamerism in print production

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7 comments:

  1. The print industry standard light in Europe is CIE D50 -> ISO 13655,ISO 12647-2, ISO 3664

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  2. What's wrong in the scene? The first thing I see is that the operators are not sitting on a stool reading an auto-trader magazine. Seriously though, you probably wanted us to point out that the light in each console appears to be different. Another concern is that the operators are wearing read and yellow shirts.

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  3. I think they put away the beer and magazines when they saw the camera ;-)

    Yup, in a multi-press shop it's often a quick quality indicator to simply look at all the presses in line and see if the lighting color is the same or not. If the lights look different - you may have problems.

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  4. I have read that Observer Metamerism has a range of about DeltaE = 2.

    That seems to be quite a lot.

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  5. Gee, didn't I read somewhere that reflection off of brightly colored shirts can affect color perception? Those orange shirts look pretty brightly colored.

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  6. The lights on the top this room are not the same.

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  7. Light on the box are not the same :-)
    The light on the top of the room are not the same :-)

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