I have found the full spectrum lights to not be as bright as standard flourescent bulbs. And when I am painting walls I pull out my old movie light stand and put 4 100 watts tungsten bulbs in it and it is much bright than the flurescents of any type. In a message dated 8/16/02 8:38:58 PM EST, robert@earnestphoto.com writes: > Charles, > > Full Spectrum Flourescent Tubes are readily available. Just call around > the local lighting stores. > I use them in standard flourescent fixtures not only to shoot with but > as the basis for home made large scale colour corrected lightboxes in > the studio. > The tubes are expensive but seem to last forever. > > best,