If have raw 2 images, taken less than 30 seconds apart in the eraly afternoon of a typical British day, late in the summer (i.e. cold and no shadows!), (ironically in the grounds of the home of calotype photography). One images shows shows options for ‘g R G B H S L’ when defining a parametric mask in the Exposure module; the other shows ‘g R G B Jz Cz hz’.
Why the difference ? Do I need to make allowance for this difference in my settings in this module?
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It’s controlled by the blending options menu, the menu button to the right of the mask buttons. When it’s set to RGB (display) the options are “g R G B H S L” and when it’s set to RGB (scene) the options are “g R G B Jz Cz hz”. I’m not sure what determines the default setting.
Your first one has the base curve so display referred wf and the second is scene referred so you are offered by default the matching blending channels…
You’re correct- again!. I’ve lost count of how many times you have advised me of this fact; thanks for your patience. I have a brain which can skip whole paragraphs in a manual without realising it.