[Flybynight]

Sweet, I am learning.

What kind of lens are you talking about? One to filter heat or radiation? Maybe something like a weilder's lens?

Drivers is what? the powersupply?

When you said "Those 5mm leds have least than 0.07 Watts each"
Is there a formula or is that just a educated guess? No sarcasm intended.

Thanks for the help. =)