Re: Freight car colors and lighting recommendations

Dave Nelson <muskoka@...>

-----Original Message-----
From: Jon Miller [mailto:atsf@...]
Sent: Wednesday, December 04, 2002 7:35 PM
To: STMFC@...
Subject: Re: [STMFC] Freight car colors and lighting recommendations

I also have bought some "sunlight" and I think I have seen
Chroma 50 on
some (sunlight and chroma 50 the same?). The sleeves have a number on it
that relates to color temperature.
Probably. Ordinary light bulbs are about 2800k -- very yellow. Halogen
bulbs are 3200k. Sunlight is 5000-5500k. Daylight lamps are 7200k -- over
on the blue end. In addition to temperature, all bulbs and lamps also can
be rated for how much of all possible colors are present. Sunlight is 100%.
Chroma-50's and other full spectrum lamps are 90-93%. Warm whites are aound
50%. Dunno about bulbs.

Check out this:


Dave Nelson

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