尼康D400单反新品谍照
昨天，小编从著名的NikonRumors.com网站上再次看到了关于尼康D400数码单反最新消息。一家俄国专业摄影杂志在09年初刊中提及此产品，其中内容依然提到它会是一款具备了1400万有效像素的APS-C尺寸感光元件的中端数码新品，但是在价格上或许会有优势。（本文内容以及图片均来自国外网站，不代表本文作者以及蜂鸟网之最终观点）。
该产品的传闻中的具体参数为：
* New 14.8 megapixel DX format CMOS sensor effective 14.3 megapixel
* Self-cleaning sensor unit (low-pass filter vibration)
* ISO 100 - 6400 (with boost up to ISO 25600 and down to ISO 50)
* 14-bit A/D conversion
* Movie capture at up to 1080p 24 fps with stereo sound
* Nikon EXPEED Plus image processor 30% faster than previous EXPEED image processor
* Super fast operation (power-up 13 ms， shutter lag 40 ms， black-out 90 ms)
* Kevlar / carbon fibre composite shutter with 200，000 exposure durability
* Multi-CAM3500DX Auto Focus sensor (51-point， 15 cross-type， more vertical coverage)
* Auto-focus tracking by color (using information from 1005-pixel AE sensor)
* Auto-focus calibration (fine-tuning) now available (fixed body or up to 20 separate lens settings)
* Vignetting control in-camera
* Automatic chromatic aberration correction
* Custom image parameters now support brightness as well as contrast
* Seven frames per second continuous shooting (nine frames per second with battery pack)
* 3.0″ 922，000 pixel LCD monitor
* Live View with either phase detect (mirror up/down) or contrast-detect AF， face detection
* ‘Active D-Lighting’ (adjusts metering as well as applying D-Lighting curve)
* Detailed ‘Control Panel’ type display on LCD monitor， changes color in darkness
* Buttons sealed against moisture
* Same ultra-fast startup and shutter lag as D700
* Scene Recognition System (uses AE sensor， AF sensor)
* Picture Control image parameter presets
* UDMA compatible single CF card slot
* Virtual horizon indicates if camera is level (like an aircraft cockpit display)
* Extensive in-camera retouching
* HDMI HD video output
* Magnesium alloy body with connections and buttons sealed against moisture
我们可以看到：它的外观与尼康D300相仿，机身背面设计了3.0英寸92万像素LCD屏，感光元件采用了1480万像素的APS-C尺寸感光元件，连拍速度似乎可以达到了6.5张每秒。而且，似乎该产品也加入了1080P拍摄分辨率的高清视频节目，与目前佳能的无敌兔完全一致。
从产品的外观以及尼康发布新品周期（D300已经发售一年有余，而且近期降价甩货）的这些因素上看，2009年PMA大展（2月份）D400发布的可能性较高。
（编辑：刘群）
