Mianyang photographer's shooting address

After the photographer took a clear group photo of all the students in Class One, Grade Three, he also took a picture of graduation photo for each student, that is, a person's image will become bigger. According to the changing law of object distance and image distance, the image distance will inevitably become larger and the object distance will inevitably decrease. Therefore, to take clear photos, it is necessary to reduce the distance between the camera and the person and increase the distance between the lens and the film, that is, to reduce the distance between the camera and the students and lengthen the lens.

So choose D.