FWIW, On the home brew pc boards list it has been reported that CFL's do=20
well for the photo process.

On 1/14/2013 11:27 AM, Bob Blick wrote:
> On Mon, Jan 14, 2013, at 04:37 AM, RussellMc wrote:
>> I'm posting this to highlight the possibly unexpected effects of the
>> strong
>> blue-light component in White phosphor type LEDs.
>>
>> It's reported that paintings from around 1890 which use the "Chrome
>> Yellow"
>> yellow pigment are at risk of rapid fading when LED lighting is used. I
>> surmise (possibly incorrectly) that this is caused by the strong blue
>> component in such lighting.
>>
>>
>> http://rt.com/art-and-culture/news/van-goghs-changing-color-901/
> I am never surprised when supposed experts who are trusted to care for
> our most precious resources do such stupid things. Obviously the lesson
> they learned with fluorescent lights many years ago did not stick.
> Artwork is halogen-only, with UV-blocking filters. That is the standard
> for galleries.
>
> Not to mention the horrible color rendition of todays LED lighting. It's
> fine for a laundromat art show, but van Gogh, really?
>
> Best regards,
>
> Bob
>

--=20
John Ferrell W8CCW
That which can be destroyed by the truth should be.
P.C. HODGELL
  =20


--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.