Here is a smart ring light fitted for the LED era. I mean we shared a huge kick a$$ ring light build before, but this one is powered by LEDs rather than CFLs and it is just as huge and just as awesome.
The build starts with a huge piece of plywood which you can get (along with some aluminum angles) from the scraps section of your local DIY store or carpentry.
The wood is then cut into a circle and reinforced with aluminum frame, then the LEDs go in (using plywood and aluminum helps keeping the ring light under 1 kilo)
I guess the hard (or at least tedious) part of making this light, was soldering 80 6-LED strips with lead wires and then soldering each strip to the plus and minus contacts that went around the wooden frame.
A quick calculation shows that 480 LEDs are about 1.5 300-LED strips (around $8 a reel), so the cost is really low for that kind of huge light. The other part is the power supply – a 12V 20A 240W LED power supply (at around $20), which brings the total cost of the thing to $35 sans the scraps.
And the light, it is gorgeous: