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File:Lens Petval 1841.jpg

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Summary

Description
English: A portrait lens design by Petval of Austria in 1841, one of the earliest 2 element lens design for photography
Date 1890, scanned December 2008
Source E.J.Wall, Dixtionary of Photography, Published 1890
Author E. J. Wall scanned by Velela

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Date/TimeThumbnailDimensionsUserComment
current20:47, 13 December 2008Thumbnail for version as of 20:47, 13 December 20081,056 × 1,060 (325 KB)Velela{{Information |Description={{en|1=A portrait lens design by Petval of Austria in 1841, one of the earliest 2 element lens design for photography}} |Source=E.J.Wall, Dixtionary of Photography, Published 1890 |Author=E. J. Wall scanned by Velela |Date=1890,

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