Changes to New Lighting and Color Matching to
Proofs: ISO 3664:2009
Summary:
Viewing conditions are an important part of any print
workflow. Recently there have been changes to the ISO standard for viewing
conditions, as well as to the bulbs used in most print viewing booths. This
bulletin gives a brief outline of the changes, possible issues, as well as ways
to work with the new bulbs.
In 2009 the ISO standard for viewing conditions was changed.
The new standard includes many improvements, including being a closer match to real
daylight, as well as being in closer agreement to CIE specifications for
illuminant D50. The new standard was also changed to include UV content. All
bulbs shipped in 2011 were modified to meet these specifications. If you order
bulbs for most standard viewing conditions they now meet these new
specifications. This means all new bulbs shipped right now contain UV content.
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G7 and Digital Print
By Ron Ellis
In the post-recession print market, digital print has taken
a large share of printing formerly handled of offset presses. Even though
digital print systems are typically closed loop systems, they typically vary
more than offset presses and have a reputation for low quality.
This is sometimes puzzling to the observer because it has been demonstrated
time and again that these machines are normally capable or targeting almost all
offset characterization data sets with ease.
It is often said that the difference between a copier and a digital printer is that the digital printer is calibrated. Most of the machines doing digital print today do not fully calibrate themselves and require operator intervention to achieve the best results. These devices can do some limited machine calibration but require and operator to complete the calibration.
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