一般由正常底片放大出来的照片,并非能够完全令人满意。因为照相纸的密度范围往往此胶片小得多,不容易把景物还原。就是说,拍摄时可通过调整光比将景物拍入片内,但相纸就不可能把底片的整个层次还原出来。事实上,底片暗部层次有点损失,暗与最暗很难区分。明部也是如此,明与最明成为一体,层次不 Normally enlarged by the normal negative photos, not entirely satisfactory. Because the density range of photographic paper is often much smaller than this film, it is not easy to restore the scene. In other words, when shooting can be adjusted by the light than the scene into the film, but the paper can not restore the entire level of the film out. In fact, the film darker level a little loss, dark and darkened hard to distinguish. The same is true of the Ming, Ming and Ming into one, the level is not