How to control the depth of field according to different shooting subjects in photography practice

The Classic Application of Shallow Depth of Field-Portrait Photography

The effect of shallow depth of field is most commonly used to extract the subject from the messy background, which will make it easier to take a portrait, because the photographer only needs to capture the expression and action of the protagonist, and does not have to worry too much about the background processing. However, the common three-fold optical zoom DC depth of field on the market is not shallow enough, so using this portrait shooting technique requires at least eight to ten times optical zoom.

A Classic Application Example of Depth of Field —— Landscape Photography

When shooting magnificent scenery and buildings, it is often required that the photos are clear everywhere and need a deep depth of field. When shooting, zoom the lens to the shortest, adjust the aperture to the thinnest (DC is usually f/8), and then use a lower shooting angle, the effect will generally not be too bad. Note that at present, the shortest focal length of DC is generally 35mm, and only a few DCs such as Nikon CoolPix 5000 and Kodak DSC 4800 can reach 28mm.