The Paul C. Buff Einstein 640 is promised to be the first monolight to deliver both class leading colour temperature consistency and superior action stopping capability, one that also incorporates precise modeling light tracking, worldwide power compatibility and optional remote control of flash settings, all for under US$500 in the U.S. Does the Einstein 640 deliver? We weigh in, focusing primarily on its suitability for strobed sports in conjunction with the companion CyberSync wireless triggering system. We also look at the bright 11 inch Long Throw and even brighter 22 inch Retro Laser reflectors, and an upcoming surprise from Dyna-Lite that, along with the Einstein 640, makes 2010 one heck of a year for indoor sports photographers who depend on flash.

More...