在放大照片时降低反差的方法曾立新由于拍摄时的曝光不准或胶卷的冲洗不当，都会导致底时的反差过大，以致放制出来的照片只有强硬的黑白调子，缺乏中间层次，失去魁力。这种情况如何在暗房放大照片时加以补救呢？互．选用软调相纸。如工号、２号相纸。若没有软调相纸，也... Zeng Lixin due to lack of exposure filming or improper processing of the film, will lead to the end of the contrast is too large, resulting in the release of photos only tough black and white tone, the lack of intermediate level, the loss of Quebec force. How to remedy this situation when enlarged photo in darkroom? mutual. Use soft-tone photo paper. Such as job number, photo paper on the 2nd. If there is no soft paper, but also ...