5 Replies Latest reply on Feb 12, 2017 1:55 PM by Jao vdL

    Importing ARW files from Sony A7s2 in Sony Slog3

    kubak32700890 Level 1

      Hi good people!!!

      I have been fiddling with this for quite some time but still can't find the proper workflow.

      I mainly shoot video but from time to time I like to take a picture. And it's usually a ARW file from my Sony A7S2 camera and I shoot in Sony Slog3.

      Now, when importing these files into Lightroom the program automatically converts the log into a more contrasty curve. Something like I would do in a editing program say converting the log into rec709. How to avoid this automatic gamma conversion in Lightroom? Can anyone please tell me? I would like to start my developing process with the Slog3 settings. How can this be done? Thank you in advance. Have a great day.

        • 1. Re: Importing ARW files from Sony A7s2 in Sony Slog3
          johnrellis Most Valuable Participant

          LR doesn't support SLog3 or any other log encoding applied to stills. You'll have to turn off the log encoding when taking a still.  Perhaps setting presets on your camera for SLog and no SLog might make that easier.

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          • 2. Re: Importing ARW files from Sony A7s2 in Sony Slog3
            kubak32700890 Level 1

            Thank you very much John! That helps a lot. So no log there in LR.

            I am tempted to ask: would you recommend some settings for the camera to reflect the LR in raw mode the most?

            I will do some experimenting and maybe post the results here. Also: do you know any other software that would work in the log curve in the raw format? Thank you so much for your advice once again. Very useful help!

            • 3. Re: Importing ARW files from Sony A7s2 in Sony Slog3
              johnrellis Most Valuable Participant

              In general, there isn't any advantage to using log encoding with raw stills.  Log formats are designed to capture a larger dynamic range than traditional Rec 709 and sRGB, without increasing the amount of data storage. Raw formats capture the full dynamic range of the camera but at the expense of using much more data storage.  Once you've decided to use raw, you won't get any more dynamic range by also using log encoding.

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              • 4. Re: Importing ARW files from Sony A7s2 in Sony Slog3
                kubak32700890 Level 1

                John thank you. That is very true what you are writing. I think it is about the pleasing looks of the log footage that I am missing on. And it seems like the software is not delivering what it should. I really like and I think a lot of people do as well the log look. The washed faded look. And many people would like to have that opportunity to develop their images with the staring point of a log. For example this is what one would do with Red footage (r3d files). They are called raw files and they really are. There is a lot of things you can change in post like white balance etc but you also can jump between the gamma curve and if you are in a grading suite with those you would most definitely start with a log rather than any other gamma. I understand the capacity of log and the amount of information that it can transport. It seems to me that LR is missing on that artistic freedom to work with the curve I choose to. Something to look up to in the future. Thank you very much for your time and your kind answers.

                • 5. Re: Importing ARW files from Sony A7s2 in Sony Slog3
                  Jao vdL Adobe Community Professional & MVP

                  Slog encoding for video is meant to make the relatively low bit depth video files retain more editing latitude. There is no point doing this for raw files as they always are linearly encoded and always have the maximum editing latitude possible as it has the direct sensor data and is not in any way treated. In fact a raw file has far more editing latitude than a Slog encoded video file or jpeg. Lightroom has the camera rendering profiles "Camera Clear, Camera Deep, Camera Landscape, Camera Light, Camera Neutral, Camera Portrait, Camera Standard, and Camera Vivid" built in for this camera. These mimic the rendering settings in camera. So if you select one of those in the camera and then select the same in the calibration setting in Develop, your image will look the same as the jpeg preview in camera. Camera Neutral is probably the one that you want to use to get low contrast. Just set this as the develop default for your camera. You do this by taking an unedited raw file in Develop. Scroll down to the calibration section and in "profile" choose camera Neutral. Then hold your option key and the reset button will change into "Set Default ..". Hit this and the default for newly imported files and files that you reset will now render using that profile.

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