"White" versus "Purple" grow lights

2Hearts

2Hearts

Well-Known Member
Well its where leds stuff up all the time, how many spectrtum adjustments so far and never ending debate for the next versions.

Talking in small fractions of light gets boring and exspensive, not gains i really need.
 
Lockedin

Lockedin

Well-Known Member
PJ Diaz said:
Yep, that's why video engineers for live concert shoots are having to completely change their color balance style and get their lighting designers on the same page as well. The way colors like deep blue and purples used to hit the cameras with subtractive mixing using gel is WAY different than the additive mixing of LED technology. I've seen lighting designers who don't understand this difference completely mess up live video footage of big acts to a point where the footage is basically unusable.
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Worked in the industry for most of my career. Went from p.a. to engineer in charge.
The issue you're talking about is mistaking a CMYK or RGBB color space vs RGB - very small diff in the GUI, but vast diff in color rendering. Fun to watch as long as you're not on that crew. ;)

For our purposes, it's about ppfd - studio lights can easily achieve the ppfd we need, but you will need a 480 amp 3 phase power supply and studio AC to go with it - the heat can be incredible, even in LED set ups.
 
Lockedin

Lockedin

Well-Known Member
Funny, yesterday I was talking with a friend about (studio) lighting, and we both wondered about using a studio fixture to grow and came up with:

Tungsten, Xenon, HMI, - too much heat management unless you have AC & high ceilings.

LED - heat is still an issue - the panels are large. BUT for about $6,500, there are some 1,500w (true) units that just might work - if money is no object...

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