Timeline for How do I convert lux to lumens
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| May 19, 2015 at 23:57 | comment | added | Andrew | I'm marking your answer as correct because it yields values that closely match the prescribed values for a certain set of lights. We've been unable to test the actual outcome to a manner that fits our pos-production needs though which is unfortunate, but is due to the complexity of translating the physical world into a series of 3rd party algorithms of scientific approximations and further biased by programmer design. So... thank you! | |
| May 19, 2015 at 23:54 | vote | accept | Andrew | ||
| May 12, 2015 at 18:10 | comment | added | GRB | As you said radians and steradians are unitless, so you don't really need to use them in calculation. It is only useful because of its geometrical meaning. | |
| May 12, 2015 at 18:03 | comment | added | Andrew | Oops... That should have read: $31.13 candela*sr^2$ or $31.13 lumen*sr$. We get this because lux = $lm/(m^2)$ which leads to: $(lm * sr * m^2)/(m^2)$. The two $m^2$ cancel out and leave: $lm*sr$. | |
| May 12, 2015 at 17:52 | comment | added | Andrew | Right now, there is one aspect of your answer that I'm confused on. When I run the math through with units we end up with $31.13 lumen*sr^2$. However, given that sr are unitless, do these just disappear? | |
| May 12, 2015 at 16:36 | comment | added | Andrew | understood on how to mark an answer correct. I will certainly do this after I've investigated the numerical calculations into the final result. I just need to verify that I'm not missing anything else and that it all works correctly. Again, thank you for reading the entire question and answering thoroughly. It is refreshing. I will be back to confirm everything later today. | |
| May 12, 2015 at 16:23 | comment | added | Andrew | Thank you. I'll look into this today. I immediately want to upvote your response because it was thorough and informative. I wish I could upvote your response but as I'm new to this forum I can't even seem to do that, despite being the asker. The mixing of units was a result of the measuring tools available on our production stage. It is recognized as less than ideal and your feedback is understood and welcome. | |
| May 12, 2015 at 1:54 | history | answered | GRB | CC BY-SA 3.0 |