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File:Handheld periscope.png

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Description
English: Portable handheld periscope cross section.
1 - Longer focal length Kellner eyepiece - what allows introduction of a prism between lenses.
2 - Diagonal prism.
3 - Handle
4 - 6 - Erecting lenses.[1]
5 - Periscope tube.
7 - Field lens.
8 - Objective lens.
9 - Head diagonal prism.
10 - Window.
y - Distant object.
y' - Real, inverted, diminished image.
y" - Erect real image.
H - Periscope optical height.
Date
Source Own work
Author Tamasflex

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I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike
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  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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File history

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Date/TimeThumbnailDimensionsUserComment
current14:58, 12 April 2011Thumbnail for version as of 14:58, 12 April 2011328 × 952 (32 KB)Tamasflex (talk | contribs)Redrawn part of the eyepiece.
16:38, 3 April 2011Thumbnail for version as of 16:38, 3 April 2011328 × 952 (30 KB)Tamasflex (talk | contribs).
08:57, 3 April 2011Thumbnail for version as of 08:57, 3 April 2011328 × 952 (31 KB)Tamasflex (talk | contribs)Redesign.
08:40, 3 April 2011Thumbnail for version as of 08:40, 3 April 2011328 × 952 (28 KB)Tamasflex (talk | contribs){{Information |Description ={{en|1=Portable handheld periscope.}} |Source ={{own}} |Author =Tamasflex |Date =2011 |Permission = |other_versions = }} Category:Periscopes

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