anson5479 2015-9-12 03:22
索尼发布新无反相机A7S II[25P]
[align=left][size=5][color=#333333]以高感光度见称的A7S今天迎来了升级版A7S II,后者的最高ISO还是409600,但支持4K视频拍摄,并加入了五轴防抖系统。[/color][/size][/align]
[align=left][size=5][color=#333333]A7S II在外形设计上与A7R II、A7 II基本一致(铝镁合金机身/接环的强度特意加强),[b]依然是1220万像素全画幅CMOS传感器,同时A7S上的-4EV(f/2.0寸)低光对焦得以保留,但对焦点从原来的25个提升至169个,最高ISO为 409600[/b]。[/color][/size][/align]
[align=left][size=5][color=#333333]能录制@30p 4K(3840×2160)视频是A7S II的一大亮点,同时它还提供S-Gamut3.Cine/S-Log3、120fps Full HD慢动作视频等功能,终于支持14bit RAW格式,而这些在五轴防抖系统的加持下,相信会更加出色。[/color][/size][/align]
[align=left][size=5][color=#333333]另外,A7S II拥有一块可翻转的3寸122万像素屏幕,最高5fps的连拍速度,内置与A7R II一样的0.78x的236万像素EVF电子取景器,同时备受大家好评的边拍边充、Wi-Fi+NFC无线传输等也统统具备。[/color][/size][/align]
[align=left][size=5][color=#333333]最后说说售价吧,A7S II价格是3400欧元,约人民币24500元,11月正式开卖。[/color][/size][/align]
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lansemingzi 2015-9-12 08:44
岛国的照相机和摄像机绝对是技术一流的,现在国产好像没什么牌子照相机了。
starpop 2015-9-14 09:43
a7s像素低所以才能支持14bit raw。 别的系列比如a7r想要支持14bit raw势必会严重影响机器性能,包括连拍,处理速度等等.a7s像素是a7r系列四分之一左右,数据量就是四分之一,14bit是12bit数据量4倍,正好抵消,所以同样处理器才能hold的住。大家别急,等处理器性能进步到现在4倍的时候,a7r系列自然也能用上14bit raw了。按照摩尔定律估算下,十八个月翻翻,那三年就可以达到四倍性能。届时如果a7r系列的像素没有很大增加的话,索尼自然就会让a7r系列支持14bit了。所以我的预测是索尼会在三年后让a7r系列支持14bit raw,会在一至两年后让两千多万像素的a7系列支持14bit raw。-4ev,4级机身防抖,原生10w感光,我觉得这就已经很屌了,视频功能我不需要 在不考虑金钱的情况下,也在坚持a7系列的情况下:拍照r2 视频s2,我个人认为就这么简单粗暴地理解就行了