Why are professional cameras all black?

In professional photography, black body is the most difficult to reflect light, especially in close-range macro, colored body will reflect harmful colored light to the subject. This is absolutely not allowed.

It has nothing to do with fashion, and there are some white telephoto lenses on the edge of the stadium.

That's because white does not absorb heat easily. In the sun, the black telephoto lens will expand and deform when heated, and the long and heavy telephoto lens may bend, which may affect the optical accuracy and further affect the imaging quality.

So the telephoto lens is white.

A camera is a kind of equipment that uses the principle of optical imaging to form an image and records the image with a negative. This is an optical instrument used for photography. In modern social life, there are many devices that can record images, all of which have the characteristics of cameras, such as medical imaging equipment and astronomical observation equipment.

After the light reflected by the shot scene is focused by the camera lens and the shutter that controls the exposure, the shot scene forms a latent image on the photosensitive material in the camera box, and forms a permanent image after being developed and fixed. This technology is called photography, which is divided into general photography and professional photography.

Digital camera (also known as digital camera: DC for short)

Digital camera is a kind of camera that uses electronic sensors to convert optical images into electronic data. Different from the principle that ordinary cameras record images on film through the chemical changes of silver bromide, the sensors of digital cameras are light-induced charge-coupled -{zh-cn: devices; Zh-tw: Component }-(CCD) or complementary metal oxide semiconductor (CMOS). Before an image is transmitted to a computer, it is usually stored in a digital storage device (usually using flash memory; Floppy disks and rewritable compact discs (CD-RW) are rarely used in digital camera equipment.

Digital camera is a product integrating optics, machinery and electronics. It integrates the conversion, storage and transmission of image information, and has the characteristics of digital access, interactive processing with computer and real-time shooting. Digital cameras first appeared in America. More than 20 years ago, the United States used it to transmit photos to the ground via satellite. Later, digital photography was converted to civilian use, and its application scope continued to expand.