RE: Digital Camera Profiling
RE: Digital Camera Profiling
- Subject: RE: Digital Camera Profiling
- From: Kevin Connery <email@hidden>
- Date: Thu, 17 Apr 2003 22:21:52 -0700
"Derrick L. Brown" wrote:
>
Good camera profiles are based on consistent grey and/or white balance
>
procedures being followed throughout the course of any given shoot..
>
As it has been noted, digital cameras can easily see 20 to 50
>
degrees of kelvin shift very quickly.
>
One of the more important tools a modern digital photographer
>
can own is a color meter.
Which is a perfectly valid approach for many--if not most or even all--commercial or product
photographers. (I'm not a commercial photographer, so I'm basing this on the ones I do know
and how they work.) Most of the commercial photogs I know DO use their color meters
regularly.
It's somewhat less useful for, say, a wedding photographer, who will often be capturing
images inside under mixed tungsten and fluorescent lights with daylight creeping in through
stained glass windows, then having to shoot as the couple leaves the hall (different mix of
lights), goes outside (different mix of light), in the reception hall with (usually an awful
mix of lights for photographic purposes), etc.
I don't know a single--correction: I don't know OF a single wedding photographer who owns a
color meter, let alone uses one. All the ones I do know who do any white balancing do it for
the formals, where the light is known. Would they get better color if they set the camera
whenever the light changed? Sure. Would they get the shots they need to get if they did
that? No. And therein lies the rub...
Given that virtually all the images will need to be CORRECTED, having a known starting point
of 'neutral under condition X' isn't as helpful as it might seem.
Different species of the same breed: photographer.
>
Again, all I'm really saying here is if photographers learn why (and how )
>
to deliberately grey/white balance a custom profile can bring them 95% of
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the way to their goal all the time. If they ignore it or worse yet perform
>
it improperly, you in fact will create headaches for either approach.
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I am also saying that though you obviously will spend additional monies to
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build your own profiles, you will in fact be camped out for far less time in
>
front of the computer.
All I'm really saying here is that some photographers are unable to deliberatly white
balance when performing their duties as a photographer. In that light, a profile doesn't
help as much.as it might in other circumstances.
--kdc/Kevin Connery
--
"Learning is not compulsory. . . neither is survival."
Dr. W. Edwards Deming
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