What is FOV?

Introduction: With the development of digital technology, digital has been integrated into us. FOV refers to the range that the lens can cover (objects beyond this angle will not be included in the lens). The range of scenery that a camera lens can cover is usually expressed in terms of angles. This angle is called the FOV of the lens. . The area included in the visible image of the subject through the lens on the focal plane is the field of view of the lens. What is the lens angle of view FOV

What is the lens

The lens has two fingers in film and television. One refers to the optical components used by movie cameras and projectors to generate images. It is composed of multiple lenses. Various lenses have different modeling characteristics, and their application in photographic modeling constitutes a means of optical expression; the second refers to a continuous picture taken from startup to shutdown, or the space between two splicing points. A fragment is also called an ytterbium. One finger and two fingers are two completely different concepts. In order to distinguish the difference between the two, the first finger is often referred to as the optical lens and the second finger is referred to as the lens image.

The lens referred to in film and television is not a lens in the physical or optical sense, but a lens that carries images and can form a picture.

The shot is the basic unit that makes up the entire film. Several shots constitute a paragraph or scene, and several paragraphs or scenes constitute a film. Therefore, the lens is also the basic unit of visual language. It is the basis of narrative and representation. In the early shooting of film and television works, the shot refers to the sum of a period of footage taken continuously by the camera from startup to stillness; in post-editing, the shot is a group of frames between two editing points; in the finished film, a A shot is a complete segment from a previous optical transition to a subsequent optical transition.

The main function of the lens is to collect the reflected light from the illuminated object and focus it on the CCD. The image projected onto the CCD is inverted. The camera circuit has the function of inverting it. Its imaging principle is the same as that of human beings. Eyes are the same.

Lens classification

According to the origin of the lens, it is mainly classified into Japanese lenses and German lenses. Japanese lenses mainly have better color reproduction, while German lenses have a stronger sense of layering. On the market, Chinese lenses are gradually occupying a certain market, mainly because of their relatively low prices.