What's wrong with using a small aperture

1, a small aperture, must be matched with a relatively slow shutter speed, and it is easy to blur the picture caused by jitter in dark light.

2. When there are obvious light sources in the picture, the small aperture will blur the edges of these light sources (such as lights) and produce stars, especially when shooting the moon, the aperture is not big enough to capture the details of the moon table.

3. Some lenses have small aperture and poor imaging quality.

4. What aperture to use is determined by the shooting intention and the actual situation of the scene. Small aperture should be small.

Supplement:

In documentary photography, there is a technique of shooting in hyperfocal distance, which requires frequent use of small aperture. Look at this and you will understand:

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If your camera doesn't have a high shutter speed, you must reduce the aperture to control the exposure under strong light. The same is true of prolonged exposure during the day/night. For example, to show the silky feeling of stream flow, you need to slow down the shutter speed, so you need to narrow the aperture and optimize the image quality.

If you want some light sources, such as street lamps, to show the effect of stars, you should also use a small aperture.