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ウィキペディア英語版
出典：Wikipedia
Dust reduction system
出典:『Wikipedia』 (2011/06/06 12:34 UTC 版)
英語による解説
ウィキペディア英語版からの引用
- 引用
A dust reduction system, or dust removal system, is a technology employed by several manufacturers of digital system cameras (often referred to in English as DSLRs or digital single-lens reflex cameras) to solve the problem of dust particles adhering to the image sensor. Some systems remove or clean the sensor by vibrating at a very high frequency—between 100hertz and 50kilohertz. This is needed because every time lenses are changed there is a chance that dust may enter the camera body and settle on the image sensor. Even if utmost care is taken when changing lenses, the mechanical parts such as shutter or quick-return mirror might still generate dust contamination due to friction occurring during their movement. At the same time, these parts create movement of the air inside the camera body which is enough to whirl the minuscule dust particles around.
- Wikipedia
- Text is available under Creative Commons Attribution-ShareAlike (CC-BY-SA) and/or GNU Free Documentation License (GFDL).
Weblio英和・和英辞典に掲載されている「Wikipedia英語版」の記事は、WikipediaのDust reduction system (改訂履歴)の記事を複製、再配布したものにあたり、Creative Commons Attribution-ShareAlike (CC-BY-SA)もしくはGNU Free Documentation Licenseというライセンスの下で提供されています。
