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光行天下 -> 光學(xué)設(shè)計(jì)及經(jīng)驗(yàn) -> 請(qǐng)問什么是西拉結(jié)構(gòu)？ [點(diǎn)此返回論壇查看本帖完整版本]

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瑛熒	2014-05-13 21:16
請(qǐng)問什么是西拉結(jié)構(gòu)？如題，我只知道這種結(jié)構(gòu)好像是一種制版鏡頭。

kimclps	2014-05-15 21:56
是指Celor type的鏡頭吧。光闌(stop)在中間，兩側(cè)的透鏡完全對(duì)稱。4片時(shí)，光闌為第5面， -PU.Uw] r1=-r9 r2=-r8 r3=-r7 r4=-r6 d1=d8 d2=d7 d3=d6 d4=d5 n1=n8 n3=n6......

yazhuge	2014-05-15 22:17
A Celor lens is a highly corrected lens of the Dialyt type, designed for process photography, involving reproduction at or near 1:1 scale.

學(xué)海無(wú)涯abc	2014-05-16 15:27
路過(guò)，看看

瑛熒	2014-05-29 15:18
yazhuge:A Celor lens is a highly corrected lens of the Dialyt type, designed for process photography, involving reproduction at or near 1:1 scale. (2014-05-15 22:17)