What does the focal length of mobile video mean?

Focal length is a photographic term, which refers to the distance from the camera lens to the object. The focal length is also a key factor when taking photos or videos on mobile phones. A longer focal length can capture a farther scene, while a shorter focal length can make the subject stand out. Usually, the focal length of mobile phone camera is adjusted in software. By sliding the adjusting lever, we can change the focal length freely to achieve the ideal effect.

How to use the focal length to shoot video with a mobile phone?

When shooting video, we can use the focal length to make the image more vivid. If you want to take a long-distance scenery, you can choose a long-distance focal length. If you want to highlight people and make them more prominent, you can choose a shorter focal length. In addition, by zooming, we can also switch the focal length in different scenes. For example, in film production, if you need to shoot the dialogue scenes from different angles, you can do it by zooming to keep the best shooting effect.

In mobile phone photography, focal length has a wide range of application scenarios. For example, we can use the focal length to shoot the pet, and aim the lens at the pet to shoot it at close range, so that we can get close-up photos of the pet's eyes. In addition, the focal length is also very useful when shooting in the wild. If you want to shoot the moment of the bird, you can aim the lens at the position of the bird, and then shoot it with a fast zoom method to get the best effect. In a word, using the appropriate focal length in different scenes can obtain different shooting effects and create infinite possibilities in our life and work.