At 05:42 AM 2/6/2008, Jaap Nauta wrote... >Has anyone tried these: >http://www.superbrightleds.com/specs/115x-xLX3.htm ? > >These are wide angle high power LEDs, which in theory are brighter >than >incandescents Not even close. The 1157 LED replacement is rated at 30/85 lumens flux. A real 1157 bulb has 3/32 mean spherical candlepower, which is 37/402 lumen. Not only is the direct beam of the real 1157 incandescent bulb brighter, but the reflector will add additional light. In reverse, the LED bulb, with a 130 degree beam, is only providing 0.73/2.08 mean spherical candlepower. (1 lumen = .07958 MSCP, 130 degree cone = .32175 of a sphere) |
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