Great quality of light
The light from this 5000K bulb is very good and is accurate.  Photographs of a quality gray card with the camera's WB setting set to 5000K produce nearly perfect grays.  It's bright for only 20 watts, and it's bright from a cold start.  It costs a lot more than a CFL of similar ratings, but this is clearly a better product.  The accuracy of the light will matter to photographers evaluating prints, as well as making everything easier to see.  I also use them in the walk-in closet so I can tell the black pants from the navy pants (otherwise, they look the same with standard bulbs or 2700K CFLs.)  I also prefer the 5000K lights to 6500K lights, as 6500K lighting can have a slight blue cast at times (nothing to do with the light...it's your eyes wanting &#34;white&#34; to be around 5200K-5400K.)
Rating: 5 stars