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[OM] Re: [OT] Monitor Calibration

Subject: [OM] Re: [OT] Monitor Calibration
From: Rob Harrison <robhar@xxxxxx>
Date: Thu, 03 Mar 2005 08:51:54 -0800
On 3/3/05 3:36 AM, "jking@xxxxxxxxxxxxxx" <jking@xxxxxxxxxxxxxx> wrote:

> I think the colour temperature is dependant upon the time of year and time of
day.

True. Here's a decent run-down of that, excerpted below:
<http://www.sizes.com/units/color_temperature.htm>

So you might say Windoze monitors are set more towards the color temperature
in their native habitat, the florescent-lit office, whereas the standard
chosen for Macs is closer to sunlight at noon in Cupertino. :-)

-Rob


Source 
Color temperature in kelvin

Skylight (blue sky)
12,000 - 20,000 

Average summer shade
8000 

Light summer shade 
7100 

Typical summer light (sun + sky)
6500 

Daylight fluorescent (caution!)
6300 

Xenon short-arc 
6400 

Overcast sky 
6000 

Clear mercury lamp 
5900 

Sunlight (noon, summer, mid-latitudes)
5400 

Design white fluorescent
5200 

Special fluorescents used for color evaluation
5000 

Daylight photoflood
4800 - 5000 

Sunlight (early morning and late afternoon)
4300 

Brite White Deluxe Mercury lamp
4000 

Sunlight (1 hour after dawn)
3500 

Cool white fluorescent (caution!)
3400 

Photoflood 
3400 

Professional tungsten photographic lights
3200 

100-watt tungsten halogen
3000 

Deluxe Warm White fluorescent
2950 

100-watt incandescent
2870 

40-watt incandescent
2500 

High-pressure sodium light
2100 

Sunlight (sunrise or sunset)
2000 

Candle flame 
1850 - 1900 

Match flame 
1700 

 

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