1. What is Aperture
Aperture controls the amount of light that the camera lets in. The larger the aperture, the more light will come in, and vice versa.
2. How the aperture is represented in the camera
f1.8 f5.6 The smaller the number, the larger the aperture, the more light will be admitted
3. The effect of aperture on photos
Aperture controls the depth of field of a photo
The depth of field is the clear part of the photo, the more clear parts, the deeper the depth of field and vice versa.
The larger the aperture, the more serious the background blur is. Shallow depth of field
The large aperture is mainly used to take photos that highlight the subject, flower figures, etc.
Small aperture is mainly used for shooting landscapes and other subjects that require a clear background
4 The aperture can be adjusted in both aperture priority mode and manual mode in the camera. In Nikon, it is A and M. Turn the dial to adjust the aperture.