mecho 发表于 2009-5-14 22:35:54

The Development of the Photographic Objective



This is a paper from Rudolf Kingslake




legendlyy 发表于 2009-5-15 09:04:49



学习！！！！！！！！！！！




xj2010cg 发表于 2012-6-30 15:26:37



谢谢楼主分享，学习了




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