Set your camera to its lowest aperture value (completely open).

将你的相机光圈开到最慢（完全打开）。

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You're going to find your spot, set up, select the correct film speed and aperture for the type of storm, open the shutter and wait for the first lightning strike.

你要根据风暴的现状找到自己的最佳位置，设置参数，选择正确的胶片速度和曝光值，打开快门等着第一道闪电的降临。

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This is because you halved the amount of light being let through the aperture opening, but let in twice as much light by keeping the shutter open longer.

这是因为前一组你用了一半的光圈，而后一组用了一半的快门时间。

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Shooting wide open, using aperture f2.8 on most lenses, gives you a shallow depth of field that emphasizes the part of the images you are focused on.

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