Yes, incandescent bulbs flicker can be made to strobe by using a dimmer switch or by rapidly turning the power on and off. However, LED lights flickering are more commonly used for strobing effects in video content due to their ability to turn on and off quickly and their energy efficiency. Incandescent bulbs, like every other artificial light source, flicker. This occurrence, however, is not visible on a camera. This is because these incandescent bulbs operate on a different premise than LED bulbs. Incandescent bulbs use a filament that turns white-hot to produce heat and light.