In another thread started by @Veronique
;on studio lighting (http://forum.drawmixpaint.com/discussion/comment/108185#Comment_108185
mentioned cheap LED lights by a brand called Arlec.
I thought I'd check them out - turns out my local hardware store had them on sale, and I pick up three of the 45W (3500 lumens; 5000k) models - same as this one
available in NZ - for AU$44 each. My set up now has two of them up high and to the rear of my left side (in the shot below you can also see the previous bulb I was using):
And one over my right shoulder on my camera tripod, pointing down towards my palette.
Man, these things are bright. I honestly don't know how I could see anything with my previous set-up.
They also seem colour-accurate. I could not see any colour shifts between these and my previous high accuracy colour bulb (95% CRI). As a rough test I also took a photo of a neutral grey card (the kind that photographers use to set white balance). The first histogram below is from a photo of the card on my easel illuminated with these lights. The red, blue and green channels all line up indicating the lights are more or less unbiased. The second is the same setup but illuminated with the warm-ish ceiling light - showing as expected a shift to the red .
These are cool running, cheap to buy (at least relatively), cheap to run, and accurate. Gotta love new technology.
Not sure if they are available outside of NZ/AUS, but I suspect there are other equivalents. Oh yeah, they are designed to be worklights for tradespeople.
Thanks again @dencal
; & @Observer
; for the tip-off.