Timeline for What is the quantative relation between flash guide number and ISO?
Current License: CC BY-SA 4.0
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| Jan 8 at 1:16 | history | edited | scottbb♦ | CC BY-SA 4.0 |
mathjax/latex for formulas
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| Jul 5, 2018 at 14:00 | comment | added | Molly | I’m glad I found above info. I have a question here. By the way, shall I know if above formula is based on 1/1 full power with bare strobe or with like softbox? | |
| Apr 13, 2017 at 12:43 | history | edited | CommunityBot |
replaced http://photo.stackexchange.com/ with https://photo.stackexchange.com/
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| Nov 1, 2011 at 2:09 | history | edited | mattdm | CC BY-SA 3.0 |
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| Nov 1, 2011 at 0:00 | history | edited | mattdm | CC BY-SA 3.0 |
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| Oct 31, 2011 at 23:52 | history | edited | mattdm | CC BY-SA 3.0 |
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| Oct 31, 2011 at 19:41 | comment | added | mattdm | Yeah, I was just updating my answer to say that. :) | |
| Oct 31, 2011 at 19:41 | history | edited | mattdm | CC BY-SA 3.0 |
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| Oct 31, 2011 at 19:40 | comment | added | lanan | Thank you! Now it all makes sense! I guess the author of the formula meant ISO-factor not just ISO which is equal 1 for ISO = 100; 1.4 for ISO = 200; 2 for ISO = 400 etc. Duh! | |
| Oct 31, 2011 at 19:38 | vote | accept | lanan | ||
| Oct 31, 2011 at 19:33 | history | answered | mattdm | CC BY-SA 3.0 |