A side-by-side comparison of the light reflected on the same book page from the same lamp at the same distance using a Philips 18/75-watt CFL (left), a Philips AmbientLED 17/75-watt bulb (medium), and a 75-watt Philips Dura Max incandescent bulb.
August 6, 2011 4:00 AM PDT
Photo by: Candace Lombardi/CNET
| Caption by: Candace Lombardi