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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:53, 1 July 2010 | ![]() | 284 × 212 (17 KB) | Trinitrix | Includes central f-stop now. |
13:44, 1 July 2010 | ![]() | 284 × 212 (15 KB) | Trinitrix | {{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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