Some flourescents have a horrible
spectrum with all sorts of gaps in it that is
almost impossible to filter
to anything close to daylight.
Yes, and to add insult to injury you can't even tell by eye which of the
two most common types you're looking at (one needs a green filter and
one a magenta one, roughly, but even those rarely give proper colours).
And those filters don't give as good a result as filtering tungsten
filament lamps using the normal colour correction filters.
I've not tried a photographic colour temperature meter with CFLs. Does it
give any meaningful reuslts at all?
Does anyone know the exact terms of the ban? I
understand that the ban
only covers domestic ligthing, and it;s legal to sell filament lamps for
other applications, Is it legal for me to import them myself for my own
use (particularly id that use is not 'domestic lighting')?
I don't know about importing, or even the exact terms of the ban, but
the only exemptions I recall seeing are for medical lamps.
From what I've read, it doesn't apply to
instrument lamps (so the
frontpanel bulbs for classic computers are OK), car bulbs,
torch
(flashlight) bulbs, projector bulbs (I hope!), and thigns like that.
I wodner if it applies to photofloods?
What I find crazyy is that yuu can still (legally) buy and sell candles
for domestic illumination. A filament lamp produces a lot less polution
(fr a given light output) than a candle...
-tony