Zeiss refractor telescope 40 cm for 5 meters focal length, built in 1935. Specola Vaticana Observatory, Castel Gandolfo (Italy Stock Photo - Alamy
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Zeiss Astro page
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File:Astronomy telescope on equatorial mount-Carl Zeiss-P5200294-white.jpg - Wikimedia Commons
Zeiss 110 mm. refracting double telescope - Robert Ariail Collection of Historical Astronomy - UofSC Digital Collections
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General view of the Zeiss 12 Inch Refracting Telescope at the Griffith Observatory in Los Angeles Stock Photo - Alamy
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File:Astronomy telescope on equatorial mount-Carl Zeiss-P5200294-black.jpg - Wikimedia Commons
TELESCOPE with stand, Carl Zeiss, 1920s. Other - Technica & Nautica - Auctionet
The Carl Zeiss refractor built in 1910 with an equatorial mounting and... | Download Scientific Diagram
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Carl Zeiss Jena Asiola Telescope spotting scope, 10 Ortho eyepiece - News - Actualités - Les Observatoires du Clain
Astronomy telescope on equatorial mount-Carl Zeiss-MHS Geneva - Wikidata
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