Ok my bad a 35w xenon car bulb produces 4200 lumen I know theres other factors at work such as wavelength,but as far as i know a lumen is a measure of visible light which would make a 1''35w xenon about as visblly bright as a equally watted t5...........and my search continues
Last edited by dabandit; 11-23-2008 at 04:29 AM.
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