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RAW images one stop brighter when opened in Lightroom

Richard Lewisohn
When I shoot tethered, as the files are ingested, I see the thumbnails appear and they look too bright for a moment. As they 'render' they darken to how I set up the shot using C1 to judge exposure. However when opened in any other program (Lightroom, Photoshop) they are about one stop brighter than they appear in the C1 program.

All the sliders (exposure, etc.) are set to zero, so as far as I see I haven't imported any settings from previous sessions.

Any thoughts would be gratefully received.

Thanks.
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Comments

6 comments

Date Votes
  • Paul Steunebrink
    Missing info:
    camera, ISO setting, highlight reduction settings in camera?
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  • Richard Lewisohn
    5D mklll, ISO200, highlight tone priority 'on'.

    Best

    R
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  • Paul Steunebrink
    Try with setting the highlight priority to OFF and see whether the difference between Lightroom en CO7 changes.
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  • Richard Lewisohn
    Paul, that is absolutely the solution. Have the highlight tone priority 'on' makes no difference when viewing two images side by side in Lightroom. In C1, however, the highlight tone priority 'on' version is much darker than with highlight tone priority 'off'.

    I'm not sure if this is a bug, but it is a worthwhile things for users to know, especially if they have to end up sending over-exposed RAW files to clients!

    Thanks.
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  • Paul Steunebrink
    Great to hear your on track again.

    Just to add, from earlier discussions here, this is not considered a bug (Phase One's point of view). A known issue, perhaps, depending your point of view.

    Point is that these kind of settings are aimed at JPEG shooters. The setting does not change the raw values and it all depends on how the (3rd party) raw software treats this highlight information (which is included in the file as metadata).

    Capture One simply ignores it and provides a bunch of tools to create your best images, independent of camera settings during the shoot. That is one of the basic thoughts of a raw workflow (just like white balance): don't worry about settings that are not processed in-camera; deal with them later in the software.

    Same is true for 'artificial low ISO values' (typically ISO 50 on DSLRs) which can look different between raw converters. Avoid them, they just eat up your dynamic range.

    Enjoy.
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  • Richard Lewisohn
    Thanks for the explanation. The setting does seem to lessen highlight blowout in windows, etc., but that could be my imagination!

    Best

    Richard
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