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File:Berek DE343086C (Elmar, 1920).svg

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Summary

Description
English: Leitz Elmar lens, designed by Berek in 1920. Redrawn from DE Pat. 343,086.
Date
Source Own work
Author Mliu92

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Captions

Leitz ''Elmar'' lens, designed by Berek in 1920.

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18 May 2023

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62ce7c127f76972b7e3b22b3c2906d836bdeb277

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350 pixel

350 pixel

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Date/TimeThumbnailDimensionsUserComment
current15:18, 18 May 2023Thumbnail for version as of 15:18, 18 May 2023350 × 350 (2 KB)Mliu92Uploaded own work with UploadWizard

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