Traditional Culture Encyclopedia - Photography and portraiture - How to Adjust the Aperture of Wangzhen Star Camera

How to Adjust the Aperture of Wangzhen Star Camera

1. Aperture is a device used in the lens to control how much light enters the camera. It consists of light holes of blades, and the size of the light holes is controlled like a curtain. The larger the aperture, the more light enters, and the smaller the aperture, the less light enters.

2. In the aperture priority mode, we can adjust the aperture by directly turning the main dial; M In manual mode, you need to turn the auxiliary dial to adjust the aperture.

3. When we set the aperture parameters, the maximum aperture is the maximum aperture allowed by the lens, and most lenses will be marked. But the maximum aperture does not show the best image quality. It is suggested to reduce the aperture of 1-2 during shooting to achieve the best aperture size, instead of just increasing the aperture.

4. In the process of shooting, not all landscape photography is suitable for shooting with small aperture, such as shooting starry sky. Because the light at night is weak and the sensitivity needs to be improved, then the aperture must not be too small, otherwise the picture will be underexposed or the exposure time will be greatly extended. So shooting the starry sky is not with a small aperture, but with a large aperture.

5. When shooting landscape photography, we will narrow the aperture, even to the minimum position, but this will cause some damage to the image quality, because when the aperture is narrowed to a certain extent, diffraction will be formed, which will interfere with the photos and affect the performance of the image quality. Therefore, you can use a reducing mirror to open a large aperture during long exposure, and the best aperture is around F8.