What is the effect of aperture size?

Affect the brightness, depth of field and image quality of photos.

1, photo brightness: the larger the aperture, the more light enters and the brighter the photo; The smaller the aperture, the less light enters and the darker the photo.

2, the depth of field of the photo: the large aperture depth of field is shallower, and the portrait background is more blurred and more dreamy; The small aperture has a deeper depth of field, and shooting scenery can ensure a clear big picture.

3. Image quality: If the aperture is too large or too small, the image quality will be degraded. Choose the appropriate aperture size according to the actual shooting situation.