So at ISO 1600, we would only need six foot-candles of light (all the other settings being the same), and at ISO 3200 we would need just three foot-candles. Conversely, at ISO 400 we would need about ...

In this video, we delve into the fundamentals of photography by exploring ISO, aperture, and shutter speed, the essential ...

Understanding how the three elements of exposure work — aperture, shutter speed, and ISO — and how to use them will help you master your digital camera.