How to Avoid “Flicker” While You’re Shooting

If there are fluorescent or mercury vapor lamps visible in your scene (pretty typical in stores, warehouses, and offices), or if you see televisions or computer screens anywhere in your scene, then you’re probably going to see some flickering or pulsating from either or both of these. It’s caused by the flow of electrical current, but luckily it’s easy to fix. First, check to see if your camera has a flicker fix control (for example, the Nikon D5100 has a Flicker Reduction option found under the Setup menu. When you choose Flicker Reduction, it has a number of different frequency choices—just try each one to see which one works best). If your camera doesn’t have any type of flicker reduction, you can do it yourself by adjusting your shutte....