F 1.4-f4.0 aperture function

The aperture of F 1.4-F4.0 has the following functions:

1, exposure control: the larger the aperture, the larger the aperture and the more light entering, and vice versa. Therefore, the aperture of F 1.4-F4.0 can be used to control the exposure, thus affecting the brightness of photos.

2, affecting the depth of field: the aperture size will also affect the depth of field, that is, the clear range of the photo. The larger the aperture, the smaller the depth of field, and the stronger the background blur effect, which is beneficial to highlight the subject. Conversely, the smaller the aperture, the greater the depth of field and the clearer the background.

3. Affect the imaging quality: the accuracy of the aperture will affect the imaging quality. High-quality aperture can get better image effects, such as better definition and detail performance.

4, suitable for different shooting scenes: the aperture of F 1.4-F4.0 is suitable for a variety of shooting scenes. For example, portrait photography often highlights the subject with a large aperture and blurs the background; Landscape photography usually uses a small aperture to ensure the clarity from the foreground to the distant view.