Canon PRO-10 Series Manual page 153

properties, the more faithful color tones can be seen.
When performing color management, it is appropriate to use high color rendering type fluorescent
lamps (color rendering properties: Ra 90 or higher) or triphosphor fluorescent lamps.
Lighting Brightness
The lighting affects photos whether it is too bright or too dark.
Generally, about 500 lx (lux) is recommended when performing color management.
Ambient Light Recommended by Canon
D50 fluorescent lamps designed for color evaluation (color temperature: 5000 K, high color
rendering properties)
Brightness when viewing printed materials: 500 lx ± 125 lx
Tip
Fluorescent Lamps Used at the Professional's Work Site
At the professional's work site, fluorescent lamps designed for color evaluation with high color
rendering properties (D50, color temperature: 5000 K, color rendering index: 90 or higher) are
mostly used. If they are not available, the neutral type fluorescent lamps can be substituted for
them.
Notes on Ambient Light
Mixed light
Even if you put much effort on fluorescent lamps, color temperature and color rendering
properties will be affected if light from a different light source such as indirect lighting is
mixed.
The location to place photos
When photos are placed on a colored mat, the color of the mat may show through the
photos affecting their color tones.
Outside light
The sunlight from windows affects the color tones of photos since it changes with time.
Outside light should be blocked by curtains or the like.
Colorful posters, stationery, etc.
Reflected light may affect the color tones of photos.
Using a Desk Lamp as a Fill Light
If changing the lighting of the whole room to fluorescent lamps designed for color evaluation is
not an option, you can see accurate color tones by using a fluorescent desk lamp.
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