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File:Bertele DE458499C (Ernostar, 1924).svg

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Summary

Description
English: Dr Ludwig Bertele's Ernostar lens design of 1924, a modified Cooke Triplet. Geometry redrawn from DRP 458,499.
Date
Source Own work
Author Mliu92

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Captions

Dr Ludwig Bertele's ''Ernostar'' lens design of 1924, a modified Cooke Triplet.

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20 March 2023

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64070b9987d93d237d49e836e33ff6dadde8fbe2

1,684 byte

600 pixel

650 pixel

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Date/TimeThumbnailDimensionsUserComment
current22:02, 20 March 2023Thumbnail for version as of 22:02, 20 March 2023650 × 600 (2 KB)Mliu92Corrected fill color.
22:00, 20 March 2023Thumbnail for version as of 22:00, 20 March 2023650 × 600 (2 KB)Mliu92Uploaded own work with UploadWizard

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