did some test headshots yesterday using your standard low power construction site spots in my living room.
Caution, use ones based on LEDs or other modern light sources. The old ones produce so much heat, that you wouldn’t want to put them so close to your model or to your wall.
The spots are pointed towards the white painted wall, and are reflected diffusely. Sadly I could set them up symmetrically as there is a black oven on one side. So the light is kind of coming from one side.
Deer in Headlight setting. The spots are left and right next to the camera and right in the face of the model. You can see it in the reflection in the eyes. Brightens the room overall and makes the face quite bright. Little problem. I could set the spots as high as the camera, so the light always comes from slightly below.
Sandwiched Deer. Same as above only the lights are farther apart and closer to the model. Makes for a very moody athmosphere. The background is less bright. The face is super unforgivingly illuminated (makes counting pores easy).
All in all this was a very fun experiment for me and also interesting to see what you can achieve with no dedicated equipment at all. Admittedly these spots weren’t too bright so times for the diffuse lighting were very high. But if the model sits still it will work.
Gear used: Panasonic LX100, tripod, spots.
Processing: RT only