5D3一般用每秒多少M的CF卡

2025-04-07 08:58:05
推荐回答(1个)
回答(1):

我用的是64G的45M的SD卡,也是sandisk的。关于速度影响,楼上几位已经说了,但还没说透彻。如果设置分别存储,CF存RAW,SD存JPG,照相机是在转存完RAW和JPG之后再去转存另一张的RAW和JPG的,这样存RAW和存JPG时间就互相牵制了。我试验过,160M的CF存最大RAW格式,45M的SD存SJPG(好像是这个称呼?忘了),对CF速度不影响,即使存最大的JPG,影响也不是很大。实际上我用SD卡主要目的是为了把重要的数据做备份,在拍完照片的间歇时间,用5D3机身直接把数据考到SD卡上做备份,这一点5D3设计得很好,可以增量拷贝,根本不用操心,拷贝时也可随时退出进行拍照。

买45M的SD卡主要原因也是上文提到的,那时候这个速度的SD卡是在产的性价比最高的SD卡,再高速度没有大的必要了,但在从SD卡往计算机上传数据就有意义了,用USB3.0的读卡器就能发挥出来速度优势的。现在也只能买95M的SD卡了。不知道5D3能否支持128G的SD,如果可以,从性价比和备份角度考虑,可以买80M的做备份更好,基本上3-5天旅游差不多够用了

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