Re: 5000 ° K Full Spectrum Lighting
Re: 5000 ° K Full Spectrum Lighting
- Subject: Re: 5000 ° K Full Spectrum Lighting
- From: Roger Breton <email@hidden>
- Date: Fri, 29 Feb 2008 10:01:42 -0500
> I wouldn't go quite so far, Roger. He did spring
> for a $5,000 iSIS for me. He's just afraid of
> "overdoing color management"--apparently none of
> his counterparts in other institutions have gone
> for the blue light special.
The iSis isn't exactly cheap. True. But, you see, this is where it gets
tricky. On the one hand, your boss agreed to spend 5 grand on a
state-of-the-art instrument. But, in order to reap the benefits of this 5
grand instrument he's going to have to go the extra distance to get
appropriate lighting. Otherwise, to some extent, what good does it do him to
buy such an expensive and accurate instrument in the first place? You see,
with color management, it's been my experience that it is a *system*. It
entails strict adherance to some work protocols in order to achieve
repeatable and predictable results. But it can all fall down because of one
silly missing component, lighting. So why not go all the way to have good
lighting? You may decide to ignore this business of lighting but I can
predit that, some day soon, something will not match. The day this happens
you will never know what to attribute it to because you won't have
appropriate lighting. So, it's unfortunate but I'd advise your boss that he
needs to spend the extra $25 per lamp to "close the loop" on his color
management system. I deplore that whoever sold him the iSis in the first
place didn't bring this issue of lighting up :(
> ...and from the lack response from this list, I'm
> beginning to wonder how prevalent using 5000° K
> lighting is.
Please don't jump so quickly to this kind of conclusions. *All* commercial
and publication printers in this country and in the rest of the world are
using some flavor of 5000K lighting at the presses and in prepress -- ALL
OF THEM. Many photographers also do. And ALL photofinishing is based on
5000K lighting.
You need a copy of ISO-3664.
> Thanks,
> Richard
Roger Breton
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