Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Four_Thirds_system> ?p ?o }
- Four_Thirds_system abstract "The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) and mirrorless camera design and development.The system provides a standard that, with digital cameras and lenses available from multiple manufacturers, allows for the interchange of lenses and bodies from different manufacturers. U.S. Patent 6,910,814 seems to cover the standard. Proponents describe it as an open standard, but companies may only use it under a non-disclosure agreement.Unlike older single-lens reflex (SLR) systems, Four Thirds was designed from the start to be entirely digital. Many lenses are extensively computerized, to the point that Olympus offers firmware updates for many of them. Lens design has been tailored to the requirements of digital sensors, most notably through telecentric designs. The size of the sensor is significantly smaller than for most DSLRs and this implies that lenses, especially telephoto lenses, can be smaller. For example, a Four Thirds lens with a 300 mm focal length would cover about the same angle of view as a 600 mm focal length lens for the 35 mm film standard, and is correspondingly more compact. Thus, the Four Thirds System has crop factor (focal length multiplier) of about 2, and while this enables longer focal length for greater magnification, it does not necessary aid the manufacture of wide angle lenses.The image sensor format, between those of larger SLRs and smaller point-and-shoot compact digital cameras, yields intermediate levels of cost, performance, and convenience.".
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- Four_Thirds_system wikiPageExternalLink nph-Parser?patentnumber=6910814.
- Four_Thirds_system wikiPageExternalLink www.four-thirds.org.
- Four_Thirds_system wikiPageExternalLink www.fourthirds-user.com.
- Four_Thirds_system wikiPageExternalLink pat6910814.pdf.
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- Four_Thirds_system wikiPageWikiLink Category:Four_Thirds_System.
- Four_Thirds_system wikiPageWikiLink Category:Kodak.
- Four_Thirds_system wikiPageWikiLink Category:Lens_mounts.
- Four_Thirds_system wikiPageWikiLink Category:Olympus_products.
- Four_Thirds_system wikiPageWikiLink Category:Photography_equipment.
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- Four_Thirds_system wikiPageWikiLink Non-disclosure_agreement.
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- Four_Thirds_system wikiPageWikiLinkText "4/3 system".
- Four_Thirds_system wikiPageWikiLinkText "4/3"".
- Four_Thirds_system wikiPageWikiLinkText "Four Thirds system".
- Four_Thirds_system wikiPageWikiLinkText "Four Thirds system#Advantages, disadvantages and other considerations".
- Four_Thirds_system wikiPageWikiLinkText "Four Thirds system#Four Thirds system lenses".
- Four_Thirds_system wikiPageWikiLinkText "Four Thirds system#Four_Thirds_system_lenses".
- Four_Thirds_system wikiPageWikiLinkText "Four Thirds".
- Four_Thirds_system wikiPageWikiLinkText "Micro Four Thirds".
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