What’s the difference between Nikon D4 and D4s? Compared with Nikon D4, the processor of Nikon D4s is upgraded from expeed3 to expeed4, so that the highest ISO is increased by one level to 409600, and the short film shooting ability is increased to 1080 / 60p. Other parameters remain unchanged.
尼康 d4s 对比尼康 d4，处理器由 expeed3 升级为 expeed4，从而使最高 ISO 提升一档，达到 409600，短片拍摄能力提高到 1080/60P，其余的参数没有变化。
Compared with Nikon D4s, the processor of Nikon D4s is upgraded from expeed3 to expeed4, so that the highest ISO is increased by one level to 409600, and the short film shooting ability is increased to 1080 / 60p, and other parameters remain unchanged.
搭载和 D4 相同的 1600 万像素传感器，9/21 点对焦支持 3D 跟踪对焦，可录制 1080/60p 全高清影片，改善间隔短片功能，其他配置还包括色调可调液晶屏，支持白平衡微调（0.25-0.5 开尔文）。
Equipped with the same 16 megapixel sensor as D4, 9 / 21 point focus supports 3D tracking focusing, can record 1080 / 60p Full HD movies, improve the function of interval short film, and other configurations include color adjustable LCD screen, supporting white balance fine adjustment (0.25-0.5 Kelvin).
EXPEED 4 图像处理器带来最明显的提升便是感光度性能，最高上限一下子提升到 ISO 409600，足以傲视整个市场。尼康 D4s 最高连拍速度是 11 张/秒，另外还有更精准的白平衡效果。视频功能方面，尼康 D4S 可录制 1080 60p 高帧率全高清视频。尼康 D4s 的 51 点对焦系统新增“组区域”模式，向用户提供了更强大、更多样化的自动对焦选择。
The most obvious improvement brought about by the xpeed 4 image processor is the sensitivity performance. The maximum limit is raised to ISO 409600, which is enough to dominate the whole market. Nikon D4s has a maximum continuous shot speed of 11 shots per second, with a more accurate white balance effect. In terms of video function, Nikon D4s can record 1080 60p high frame rate Full HD video. The 51 point focusing system of Nikon D4s adds “group area” mode, which provides users with more powerful and diversified auto focusing options.
尼康 D4s 改进了 AF 性能，采用 expeed4 处理器，相机感光度可以达到 40 万的水平，另外尼康 D4s 的对焦系统也有一定的提升。改善了白平衡和高感光度画质，短片拍摄能力也有提高。高速连拍性能达到 11 幅/秒。
The AF performance of Nikon D4s is improved. By using expeed4 processor, the camera sensitivity can reach 400000 level. In addition, the focus system of Nikon D4s has also been improved. The white balance and high sensitivity image quality are improved, and the short film shooting ability is also improved. The high-speed continuous shooting performance reaches 11 frames / second.