What is photography from a technical and artistic point of view?

Photography is a plastic art. With the camera and photosensitive materials as tools, the theme is expressed by means of image composition, light, tone (or tone) and other modeling methods, and its artistic image is obtained.

Photography is a relatively young art category, which develops closely with the development of high technology in each era. Photography art is a high generalization of reality; It is an image work mode that comes from life and is higher than life; It is a noble and elegant culture. Photography is an expression of the author, just as speaking is an expression and writing is an expression. Photography can be expressed in many ways, such as scenery, still life, portrait, documentary, folk custom and concept, and there is no difference in expression.