...Wait PAR, PPF, and PPFD?

[Airborne12B]

While goofing off on the web I came across this:

http://www.buildmyled.com/about-par/

and this:

http://www.buildmyled.com/beam-angle-selection-guide/


Good golly did that clear some things up! I had to share.

 

[Airborne12B]

I just found these guys in the vendor section, so this information is most likely already posted somewhere.