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Jan 8 at 19:59 history edited scottbb CC BY-SA 4.0
mathjax/latex for equations
Apr 13, 2017 at 12:43 history edited CommunityBot
replaced http://photo.stackexchange.com/ with https://photo.stackexchange.com/
Jan 1, 2012 at 17:23 history tweeted twitter.com/#!/StackPhotos/status/153526752428302336
Jan 1, 2012 at 15:29 comment added mattdm And with that in mind, note that I actually covered this question at the end of my answer to the question you linked to. :)
Jan 1, 2012 at 15:24 comment added mattdm It's useful to remember that this is a formula for determining what guide number should be in a certain situation, not for determining what it is from the other factors. For that reason, I think it's more useful to think of power as a way to adjust the guide number rather than a factor on the right side of the equation.
Jan 1, 2012 at 15:15 history edited mattdm CC BY-SA 3.0
edited tags; edited title
Jan 1, 2012 at 15:14 vote accept CadentOrange
Jan 1, 2012 at 14:59 answer added Matt Grum timeline score: 5
Jan 1, 2012 at 14:44 history asked CadentOrange CC BY-SA 3.0