Why I Choose To Shoot ProRes Raw with the FS5

This is a much discussed topic right now, so as I promised in my last article about this, I have put together a video. Unfortunately YouTube’s compression masks many of the differences between the UHD XAVC and the ProRes Raw, but you can still see them, especially on the waveform scopes.

To really appreciate the difference you should watch the video on a large screen at at high quality, preferably 4K.

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7 thoughts on “Why I Choose To Shoot ProRes Raw with the FS5”

    1. Who knows! Maybe never, maybe only ever on a Mac.

      Apple spent a lot of money developing it (in conjunction with Atomos I believe). So they are going to want to get their money back. Whether that’s by restricting it to only FCP or to only the Mac platform who knows. I doubt that Adobe Premiere, a direct head to head competitor to FCP would be their first choice of software to get the ability to use it.

      My best guess would be that we will see it in DaVinci Resolve on the Mac platform before we see it anywhere else.

  1. Wow! so much more detail in your skin tone and better colour!
    I just wish Atomos would enable Prores raw in my Shogun Flame without me having to buy the Inferno

    Thanks for your great tutorials Alister

  2. Higher bit depth = Higher IQ seems to be the short version of this clip. A more interesting comparison may be a 10 bit XAVC-S recording vs. ProRes raw. That way we may be able to get a sense of what image loss is due to the codec’s compression. What do you think Alister?

    Is S-log only recorded to video range, not data range? Does the container matter (.mp4 specifically)? I know you mention 235 steps in the video.

    1. S-Log is recorded using data range, but black is put at approx 10 bit CV92 – 8 bit CV23 to retain compatibility with other film log curves. S-log2 goes up to the equivalent 104 IRE . S-Log2 has only approx 225 code values and S-Log3 a measly approx 195 code values. However both curves with the right camera could reach 109% or CV1024/255.

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