旧影琐忆·五色斑斓的旧纽约
2018-11-12 本文已影响0人
半生环球
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刚跨进20世纪的纽约其实是一座五色斑斓的城市,可惜在今人的印象中,那些色彩已消散无踪。黑白老照片留下了影像,却留不住色彩,所幸底特律出版社出版的一批彩色明信片,多少能让我们一窥旧纽约的颜色。
这批明信片采用了当时先进的上色技术,通过精确的分层为黑白照片人工上色。这种技术是瑞士奥雷尔和菲斯利公司的一名员工在19世纪80年代发明的,它通过把底片的明暗层次转印到石印灰岩板上,来精确复原照片的色调。为一张照片上色可能需要十几次转印,虽然费时费力,但是在没有彩色照片的时代,这是制造逼真“假彩照”的最佳方式。
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