What brand of camera is praktica, and what brand of amplifier is praktica?

1.praktica is a German camera brand, which belongs to carl zeiss Company and was founded in 1936.

2. 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.

3. Many devices that can record images have the characteristics of cameras.

4. Medical imaging equipment, astronomical observation equipment, etc.

A camera is an optical instrument used for photography.

6. After the light reflected by the shot scene is focused by the camera lens (shooting mirror) and the shutter for controlling 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.