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Canon EF 200–400mm lens : ウィキペディア英語版 | Canon EF 200–400mm lens The EF 200–400mm 4L IS USM Extender 1.4× is a EF mount super telephoto zoom lens produced by Canon. It is part of the professional L-series and functions with the Canon EOS line of cameras. The EF 200–400mm lens features an ultrasonic motor, image stabilization and weather sealing. It is the first and only EF lens with a built-in extender. ==History== The EF 200–400mm 4L was first announced to be in development in February 2011 and a prototype was showcased at the 2011 CP+ tradeshow. In November 2011, Canon announced that availability of the lens would be postponed to an unspecified later date. The lens was only released more than a year later in May 2013.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Canon EF 200–400mm lens」の詳細全文を読む
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