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The Nikon D4S is a full frame professional DSLR camera announced by Nikon Corporation on February 25, 2014 to succeed the D4 as its flagship DSLR. The D4S offers a number of improvements over its predecessor including a new image sensor, new image processor, new battery, improved ergonomics and expanded ISO range. Additionally, improved auto focus (AF) algorithms and a new AF Tracking mode were introduced together with a new option of RAW image capture in full resolution (16 MP) or a "Small" file (4 MP). In May 2014, the D4S received a Technical Image Press Association (TIPA) 2014 Award in the category of "Best Digital SLR Professional". In August 2014, the D4S received a European Imaging and Sound Association (EISA) award in the category "European Professional DSLR Camera 2014-2015". ==Features== While the D4S retains many features of the Nikon D4, it offers the following new features and improvements:〔〔 * Redesigned 16.2-megapixel image sensor with less noise * New Expeed 4 image processor * New Group-area Autofocus mode, allowing five focus points to be grouped for subject tracking * Exposure smoothing during timelapse recording * Expanded ISO range of ISO 100-25,600 (boosted range of ISO 50-409,600) * Gigabit Ethernet port for data transfer and tethered shooting * Full HD (1920 × 1080) 60p video capture with uncompressed video output via HDMI * Improved autofocus and subject tracking algorithms * Improved mirror mechanism, increasing continuous shooting speed to 11fps with AF * Improved MH-18a battery with higher capacity for increased battery life of approximately 3000 shots 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「Nikon D4S」の詳細全文を読む スポンサード リンク
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