lenti concave

by Anna Marziano

translations in German

• Konkavlinse

translations in English

• concave lens

translations in Spanish

• lente cóncavo

translations in French

• lentille concave

translations in Polish

• soczewka wklęsła

translations in Portuguese

• lente côncava

translations in Russian

• вогнутая линза

translations in Chinese

• 凹透镜 - ao tou jing

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