The Einstein 640, an innovative 640ws monolight from lighting maker Paul C. Buff, is nearing release. Final validation of the electronics is expected to be completed by the end of the week, says company founder Paul Buff. Assuming no last-minute hiccups, pre-ordering is scheduled to commence before the end of this month, with delivery from the company's Nashville, Tennessee-based headquarters to follow in the first half of January 2010.

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