What does the aperture in the camera mean?

Camera aperture is a device used to control the amount of light entering the photosensitive surface of the fuselage through the lens, usually in the lens. Camera aperture mainly includes fixed aperture, cat's eye aperture, instantaneous aperture and shutter aperture, which has the function of blurring the background. Aperture size is usually expressed by f value. The smaller the value after F, the larger the aperture, and the larger the value after F, the smaller the aperture.

A camera, referred to as a camera for short, is a device that uses the principle of optical imaging to form an image and records the image with a negative. Many devices that can record images have the characteristics of cameras. Medical imaging equipment, astronomical observation equipment, etc.

A complete set of camera types

1. SLR camera

Single-lens reflective framing camera refers to a camera that uses a single lens, through which light shines on the reflector and framing through reflection. This is a camera that can only be used if there are high quality requirements for photographic works. The users of ta are either professional users or novice photographers who want to improve their photography skills. These users can not only play photography.

2. Digital camera

Digital camera, a camera that uses electronic sensors to convert optical images into electronic data. It integrates the conversion, storage and transmission of image information, with digital access mode, interactive processing with computer and real-time shooting. Take pictures immediately and see the effect immediately. If it is not good, delete it. Digital cameras are so simple and convenient. If you want to capture extraordinary moments, then choose ta.

3. Miniature single camera

Miniature, small and compact; A single-lens camera with replaceable single lens, that is, a miniature camera with SLR function, is called a miniature camera. A popular camera with a strong sense of existence in everyone's life is the best choice for people to record life and travel well. Extremely small and portable, this is the meaning of micro-single survival.

4. Motion camera

A camera born for motion turns objects in photos into blurred motion effects. Although there is no such major as SLR, in extreme sports and some underwater shooting, the strong stability and waterproof of sports cameras can be far from SLR. No matter where you go, you don't have to worry about not leaving that beautiful moment.

5. Film (card) camera

Ordinary traditional cameras, compact appearance, relatively light body and ultra-thin and fashionable design are the main standards to measure this kind of cameras. Ta's function is not powerful, only the standard configuration of ordinary cameras is popular in some family tours, mainly because it is light and portable. If you have a mobile phone with strong enough camera technology, ordinary film cameras can actually be ignored.