During In the history of photography, has had notable communication with objectivism. One of the main reasons that always has been accused that photography is not was the nature of the media / art of and its objective and mechanical representation. This story is been problematic for the audience when Be aware that throughout history The brightest periods and artistic photography movements is caused by the nature of objective representative of camera Thus, this paradoxical function of objectivism in art of is the main issue in this paper. In philosophical thought in modern age especially after Dekart’s ideas, Phenomena exist beyond the knower subjectivity. In fact, Descartes’s thought, Distinguished the mind and the body or subject and object and considered it premier than the other one. In the context of such thinking, art is not considered as imitation of reality but it is the result of the creativity of the human mind. Convert the object to the subject and transition from object to subject and concept of subject it is a long way that Kant and Heidegger passed to take some distance from previous philosophical traditions. The purpose of this article is study of attitude of Kant and Heidegger about subject and object and its important result is describe and explain the characteristics of subject and object in be based on Kant and Heidegger viewpoints.