File:Periskop Objective graph.jpg

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Periskop_Objective_graph.jpg(284 × 212 pixels, file size: 17 KB, MIME type: image/jpeg)

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English: The Periskop is an early symmetrical camera objective developed by Steinheil. The Periskop is used with a central f-stop.
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Author Trinitrix
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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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Date/TimeThumbnailDimensionsUserComment
current13:53, 1 July 2010Thumbnail for version as of 13:53, 1 July 2010284 × 212 (17 KB)Trinitrix (talk | contribs)Includes central f-stop now.
13:44, 1 July 2010Thumbnail for version as of 13:44, 1 July 2010284 × 212 (15 KB)Trinitrix (talk | contribs){{Information |Description={{en|1=The Periskop is an early symmetrical camera objective develped by Steinheil. }} |Source={{own}} |Author=Trinitrix |Date=2010-07-01 |Permission= |other_versions= }} Category:Objective [[Category:Ste

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