Petzval type objective

基本解释珀兹伐型物镜

网络释义

1)Petzval type objective,珀兹伐型物镜2)Petzval protrait objective,珀兹伐肖像物镜3)Surface,Petzval.,珀兹伐面4)Petzval sum,珀兹伐和5)Petzval curvature of field,珀兹伐场曲6)Petzval's condition,珀兹伐条件

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