D810 in 50/60p mode resolves around 800 TV lines:
some 50/60p video clips straight out from D810 for download:
http://editorup.zol.com.cn/upload/201406/53da037f7d2b1.MOV
http://editorup.zol.com.cn/upload/201406/53da033545c37.MOV
http://editorup.zol.com.cn/upload/201406/53da0287d9a9b.MOV