THIS SECTION IS ABOUT creating a portrait in low light by using the existing light or by adding some light of your own. This could mean using natural light that is coming in through a big window, a slower shutter speed, a wide-open aperture, a high ISO, or any combination of these to get a proper exposure. For Figure 33.1, I used a slow shutter speed and a wide aperture to take advantage of the existing dawn light. The most difficult part of the shoot was getting the riders to stand still.

Using existing light can be simple when you mount your camera on a tripod and set it to Aperture Priority mode so that the camera sets ...

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