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File:Obiettivo fotografico - Museo scienza tecnologia Milano 05914.jpg

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obiettivo fotografico   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Author
Voigtländer & Sohn (costruttore)
Title
obiettivo fotografico
Description
Italiano: Questo obiettivo è costituito da un cilindro in metallo al cui interno sono inserite due piccole lenti Da una parte il cilindro è filettato per essere inserito a vite sull'apparecchio fotografico e presenta una piccola flangia Lateralmente, è presente una fessura sul cilindro nella quale è inserito un diaframma a disco rotante (revolver) ovvero una lastra metallica circolare sulla quale sono praticati 6 fori di ampiezza diversa Questa lamina è girevole e permette di posizionare il diaframma desiderato al centro dell'obiettivo.
Date between 1890 and 1910
date QS:P571,+1500-00-00T00:00:00Z/6,P1319,+1890-00-00T00:00:00Z/9,P1326,+1910-00-00T00:00:00Z/9
Medium vetro
Dimensions diameter: 5 cm (1.9 in)
dimensions QS:P2386,5U174728
Weight: 190 g (6.70 oz)
institution QS:P195,Q947082
Accession number
5914
Object history Ganzini
References
  • Kingslake, R. (1989) A History of photographic Lens, San Diego, California, U.S.A.
Source/Photographer Catalogo collezioni (in it). Museoscienza.org. Museo nazionale della scienza e della tecnologia Leonardo da Vinci, Milano.
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Date/TimeThumbnailDimensionsUserComment
current07:26, 21 May 2016Thumbnail for version as of 07:26, 21 May 20161,280 × 853 (331 KB)Federico Leva (WMIT) (talk | contribs){{ICCD TRC | institution = {{institution:Museoscienza}} | permission = {{cc-by-sa-4.0}} | RSR1 = Brenni, Paolo | CTP = Industria, manifattura, artigianato | AUT1R = costruttore | AUT1N = Voigtländer & Sohn | CMPD = 2009 | INV1N = 5914 | CTC = foto...

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