What is the 30-degree angle principle in photography?

First of all, we need to correct a concept. The 30-degree angle in photography refers to the 30-degree angle when the camera takes pictures, not the camera when taking pictures. There is no 30-degree angle when taking photos with a camera. The standard lens for general camera photography has an angle of view of about 30 degrees. The 30-degree angle principle means that when shooting the same object, the angle between the front and rear lenses should be greater than 30 degrees. The angle greater than 30 degrees can be considered as two lenses. This can avoid the audience from feeling like a jump cut, and prevent the audience from Pay attention to the editing of the film to ensure the coherence of the film.