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一张清晰度高的底片是放大出清晰度高的照片的首要条件,但是只有清晰度高的底片不一定能放出清晰度高的照片。笔者着重探讨放大照片时一些影响清晰度的因素。
A high-definition film is the first requirement to enlarge a sharp photo, but only high-definition film may not be able to release sharp images. The author focuses on some of the factors that affect clarity when zooming in on photos.