Explain:
The function of the aperture is to determine the amount of light entering the lens. Under the condition that the shutter speed (exposure speed) remains unchanged, the smaller the value after F, the larger the aperture, and the greater the amount of incoming light, the brighter the picture; otherwise, the aperture F The larger the value, the smaller the aperture and the darker the picture.
The function of the aperture is to determine the amount of light entering the lens. Under the condition that the shutter speed (exposure speed) remains unchanged, the smaller the value after F, the larger the aperture, and the greater the amount of incoming light, the brighter the picture; otherwise, the aperture F The larger the value, the smaller the aperture and the darker the picture.