File:Ed LiesegangPatrinast1-28 85 d37SIDE.jpg
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English: This is a version of the projection objective "Patrinast" produced for German optical company "Ed. Liesegang OHG", Duesseldorf (Germany). The aperture is given as 1:2.8, focal length 85mm, coated lenses. This type of all-metal projection objectives was commonly used in the Liesegang slide projectors of the 1950 and 1960s. Diameter of the tubus: 37mm. Several similar version of the projection lens exist, the later ones in plastics. |
| Source | Own work |
| Author | Trinitrix |
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:25, 13 February 2010 | | 1,548 × 1,125 (1,008 KB) | Trinitrix (talk | contribs) | {{Information |Description={{en|1=This is a version of the projection objective "Patrinast" produced by German optical company "Ed. Liesegang OHG", Duesseldorf (Germany). The aperture is given as 1:2.8, focal length 85mm, coated lenses. This type of all-m |
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