Lighting. When you get more into lights you'll be overrun with all kinds of gear and it's hard to tell which is reputable and which isn't and most of all, why? So let's start with classic gear (i.e.-Tungsten type lighting) and then we'll get to the modern (i.e.-LED's).
Yes, you can just use a shop light (you may already be doing this). Years ago it used to matter a whole lot more what lights you got because you were going to shoot on film and there wasn't any auto color correction and all that. The stock of the film would determine what color temperature you'd have to work with and having the wrong lights could jack that all up. You don't live or work in that world today (others do but it's not important to you) so you don't have to worry about that. But generally you'll want lights that are balanced to tungsten or daylight; some do both.
So let's get real, those aren't good enough reasons for me to bother to try to buy a Mole Richardson light vs. something off the shelf at Home Depot or whatever. Okay, so let's talk about what your lights should not be involved in..... creating sound. Many of the cheap lights out there have built in fans and those stupid fans can be heard in the background of your audio recordings. This is simply not acceptable. So check on the noise that a light makes before picking it up.
A caveat to this is that I've used some pretty inexpensive on camera LED lights and they worked great. Just look through the comments and reviews of a given light like that. If it's working for other people it'll probably work great for you. The flickering is going to be more prominent with lights that are dimmable and that allow you to change colors because dimming requires the light to pulse tons of times (imperceptible to the human eye). By varying the timing of the pulsing a dimming effect is produced. This is the WRONG way to dim an LED. The flicker free approach requires actually varying the analogue voltage to the LED's. The challenge with that (for vendors) is that does not dim linearly. So the flicker free lights end up having a bit of tech involved to get it right. Dimming and color mixing is kind of the same challenge. So all that to say, look for flicker free.
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