How to coordinate the aperture and shutter speed? The slower the shutter, the better.

The combination of aperture and shutter has little to do with the weather, but the combination of exposure has something to do with what you want to express. The simplest example is that portraits are usually shot with a large aperture, which can not only highlight people with a small depth of field, but also capture portraits with a high-speed shutter to prevent the picture from blurring. Shooting a scene requires a small aperture to obtain a greater depth of field and make the whole picture clear and sharp.

You can also try 4 seconds exposure, 1/500 seconds exposure to capture the effect of water flow.

Tell you a common exposure combination: sunny day 16 rule. When shooting a positive object on a sunny day, the aperture is selected at F 16, and the shutter is the reciprocal of the camera ISO (if the ISO is 200, the shutter is 1/200 seconds).

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