Traditional Culture Encyclopedia - Photography and portraiture - How to take photos with shallow depth of field?
How to take photos with shallow depth of field?
1. Increase the aperture: You can easily create a shallow depth of field by using a large aperture. A large aperture does not mean that you must have a lens with an aperture of f/1.4, f/1.8, etc., even if the maximum aperture value is f/ The 3.5 kit lens can be used in conjunction with the other two elements, just adjust the aperture to the maximum.
2. Use the telephoto end: Assuming the same aperture value, using the telephoto end can make the depth of field shallower. For example: Lens A: aperture f/4, use 18mm focal length. Lens B: aperture f/4, using 200mm focal length. At this time, the depth of field of lens B will be shallower than that of lens A, and the background will be blurry.
3. The distance ratio between the camera, the subject and the background: This is difficult to understand in words. In practical application, it means: "The camera is as close to the subject as possible, and the subject is as far away from the background as possible." In this way Even with the same aperture and focal length, photos using this technique will have a blurrier background.
Extended information:
Three elements of depth of field:
1. The larger the aperture (the smaller the aperture value f), the shallower the depth of field and the smaller the aperture value (the aperture value f). The larger f is, the deeper the depth of field is.
2. The longer the focal length of the lens, the shallower the depth of field, and conversely, the deeper the depth of field.
3. The closer the subject is, the shallower the depth of field. The farther the subject is, the deeper the depth of field.
The influence of the three elements of depth of field:
1. Lens aperture: the larger the aperture, the shallower the depth of field; the smaller the aperture, the deeper the depth of field;
2. Lens focal length: The longer the lens focal length, the shallower the depth of field; the shorter the focal length, the deeper the depth of field;
3. Distance between the subject and the background: the further the distance, the shallower the depth of field; the closer the distance, the deeper the depth of field;
4. The distance between the subject and the lens: the farther the distance, the deeper the depth of field; the closer the distance (cannot be less than the minimum shooting distance), the shallower the depth of field.
Baidu Encyclopedia-Depth of Field
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