Petzval lens
noun
Petz·val lens
ˈpetsˌväl-
: a two-element highly achromatized camera objective having low transmission loss
Word History
Etymology
after Joseph Petzval †1891 Austrian mathematician and opticist
| 单词 | Petzval lens |
| 释义 | Petzval lensnoun Petz·val lens ˈpetsˌväl- : a two-element highly achromatized camera objective having low transmission loss Word HistoryEtymology after Joseph Petzval †1891 Austrian mathematician and opticist |
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