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noise reduction high ISO versus underexposed?

Alain Decamps
Hi

I shot some podium dance with two stops underexposed (ISO 400 -2stops versus ISO 1600) to preserve the highlights.
In C1 I make it brighter without burning the highlights.

I have the impression that the noise reduction on ISO 400 -2stops is less than at ISO 1600. I can off course try to get the same noise reduction by "eye", but is there a "automagic" way to get the noise reduction that goes with ISO 1600 (or ISO 800) on a ISO 400 image?

Alain
0

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3 comments

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  • Alain Decamps
    [quote="Alain" wrote:
    Hi

    I shot some podium dance with two stops underexposed (ISO 400 -2stops versus ISO 1600) to preserve the highlights.
    In C1 I make it brighter without burning the highlights.

    I have the impression that the noise reduction on ISO 400 -2stops is less than at ISO 1600. I can off course try to get the same noise reduction by "eye", but is there a "automagic" way to get the noise reduction that goes with ISO 1600 (or ISO 800) on a ISO 400 image?

    Alain


    Any suggestions?
    0
  • Paul Steunebrink
    I suggest the following workflow.

    1. experiment with the settings and try to come up with 1, 2 or 3 preferences
    2. save these preferences as a preset
    3. after you determine a preferred preset for that particular situation, set it as a new default (optional step)

    Note that a preset can be applied to a selection of images at once.
    Note that a new default can be applied to a selection of images and will otherwise be automatically be applied to new images only.
    0
  • Alain Decamps
    [quote="Paul_Steunebrink" wrote:
    I suggest the following workflow.

    1. experiment with the settings and try to come up with 1, 2 or 3 preferences
    2. save these preferences as a preset
    3. after you determine a preferred preset for that particular situation, set it as a new default (optional step)

    Note that a preset can be applied to a selection of images at once.
    Note that a new default can be applied to a selection of images and will otherwise be automatically be applied to new images only.


    Thanks
    0

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