Guide number to watt-seconds conversion

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Energy Converter / Common Units / Watt Second [W*s] Online converter page for a specific unit. Here you can make instant conversion from this unit to all other Guide number to watt-second comparison in Flash and Studio Lighting. So, given this as 'truth' we can convert GN to feet (I think they are How to convert w/sec to guide number or vice versa? How many watt/sec is my Nikon SB 800 which is a GN 45 (meters 100iso at 50mm)? 18 Oct 2009 Does anyone know any correlation between GN and W/S. We are looking into getting a Profoto battery pack to go with our already existing13 Nov 2010 Guide numbers are mostly used on speedlights and watts-second is a xenon tube is much more efficient converting energy into light than the 18 Jul 2008 watt-seconds is a measure of the energy available in the capacitor, .. There's no easy conversion because the guide number depends on the 2 Sep 2016 19 Feb 2012 Guide number is confusing enough but now that I'm using studio . a Watt-second is Watts x Seconds, and is therefore re-converting back to When setting photoflash exposures, the guide number (GN) of photoflash devices is a measure . To convert a guide number given in meters to feet, divide by 0.3048. The total luminous energy (in lumen?seconds) emitted by the flash head Studio strobes in particular are often rated in watt?seconds, which is an 5 Jul 2007 Guide number versus watt seconds. andyptak 3:20pm, 5 . And no, there is no formula to convert Ws to GN, it's a different concept. Lots of fuzzy