Any digital photography camera lens can, practically speaking, be made a fixed focus, yet its length of focus determines the extent it will focus sharp all objects on one plane. Therefore, those only of very short focus can be used for this purpose, and only small pictures are satisfactorily made with fixed focus cameras. With them, the difference in focus of any object, far or near,is so little that it is not noticeable in the picture. On the larger sizes, however, it would be quite visible. There is no altering of the focus in a fixed focus box camera ; the lens in the camera is stationary.
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