"Bald Eagle" <cre### [at] netscapenet> wrote:
> Clearly some people do just that:
>
https://www.bannerengineering.com/us/en/company/expert-insights/lux-lumens-calculator.html
> http://www.ledstuff.co.nz/data_calculators.php
>
> based on this:
> https://en.wikipedia.org/wiki/Integrating_sphere
>
Thanks a lot, That's all I needed

Post a reply to this message