Mailinglist Archives:
Infrared
Panorama
Photo-3D
Tech-3D
Sell-3D
MF3D
|
|
Notice |
This mailinglist archive is frozen since May 2001, i.e. it will stay online but will not be updated.
|
|
Re: CCFL, yes!
- From: Tom Deering <tmd@xxxxxxxxxxx>
- Subject: Re: CCFL, yes!
- Date: Mon, 25 Oct 1999 16:34:07 -0400
On 10/25/99, Greg Erker wrote:
> This bulb number, according to my Digi-Key catalog appears to
>be a JKL part number BF5118-20B. And the -20 portion indicates
>their RGB phosphor which has peaks in the R, G and B to make
>a brighter display in a laptop LCD.
>
> But is this really the best phosphor for viewing slides?
>
> From their FAQ:
>
> Phosphor Type Color Temperature
> -01 (Warm White) 4700 to 4900° K
> -20 (RGB White) 5300 to 5500° K
> -21 (Cool White) 7300 to 7500° K
>
> the RGB white seems closest to 5000K but I wonder if the other phosphors
>might be smoother spectrally and look better with slides.
Well, people often say they like the color and brightness of the
Cabin light panel, and it uses a 5000K CCFL! Sounds perfect to me.
:^)
Info about the Cabin from http://www.introphoto.co.uk/cabin.htm:
>>Precision Colour Temperature
>>Daylight colour temperature of 5000K is achieved by using a
>>unique, high-tech inverter driven cold cathode fluorescent
>>lamp. Illumination is flicker free.
This page includes other technical specifications. We should be able
to use this to exactly reverse engineer one. Heh, heh. :^)
Tom
|