23 Feb
2010
23 Feb
'10
9:08 p.m.
On Tue, 23 Feb 2010 19:34:49 +0000 (GMT)
ard at p850ug1.demon.co.uk (Tony Duell) wrote:
Has anyone ever tried them for flim photograhpy?
I saw white LEDs used as lighting for macro photography. Though with
digital cameras. Most white LEDs are weak on the red side of the
spectrum. Sometimes this gets mitigated by adding extra red LEDs.
Cree uses this trick to get a CRI of 90 and more in its LED moduls.
Check the CRI rating in the data sheet. (E.g. the Cree XP-G cool
white is at 75.)
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/