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Posted
2 hours ago, Valerie79 said:

Where are the pickers for white point, black point, and grey point? I've looked everywhere in the interface and can't find them.

Welcome to the Serif Affinity forums.

It's not done like in some other photo editors.

You can adjust the white point and black point using a Levels Adjustment (Help: https://affinity.help/photo2/en-US.lproj/pages/Adjustments/adjustment_levels.html) by dragging on the White and Black sliders. To aid in doing this, you can press the Alt key (Windows; perhaps Opt on Mac; see the Help) and drag the slider until you see a change in the all white or all black image, then back off slightly.

 

-- Walt
Designer, Photo, and Publisher V1 and V2 at latest retail and beta releases
PC:
    Desktop:  Windows 11 Pro 23H2, 64GB memory, AMD Ryzen 9 5900 12-Core @ 3.00 GHz, NVIDIA GeForce RTX 3090 

    Laptop:  Windows 11 Pro 23H2, 32GB memory, Intel Core i7-10750H @ 2.60GHz, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU.
    Laptop 2: Windows 11 Pro 24H2,  16GB memory, Snapdragon(R) X Elite - X1E80100 - Qualcomm(R) Oryon(TM) 12 Core CPU 4.01 GHz, Qualcomm(R) Adreno(TM) X1-85 GPU
iPad:  iPad Pro M1, 12.9": iPadOS 18.3.1, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sequoia 15.0.1

Posted
12 minutes ago, walt.farrell said:

It's not done like in some other photo editors.

You can adjust the white point and black point using a Levels Adjustment (Help: https://affinity.help/photo2/en-US.lproj/pages/Adjustments/adjustment_levels.html) by dragging on the White and Black sliders. To aid in doing this, you can press the Alt key (Windows; perhaps Opt on Mac; see the Help) and drag the slider until you see a change in the all white or all black image, then back off slightly.

 

Thanks for the guidance! It's not exactly what I was looking for, but I think it will work. Is there an equivalent trick for setting the grey midpoint?

Posted

You're welcome.

23 minutes ago, Valerie79 said:

Is there an equivalent trick for setting the grey midpoint?

Not that I have found.

-- Walt
Designer, Photo, and Publisher V1 and V2 at latest retail and beta releases
PC:
    Desktop:  Windows 11 Pro 23H2, 64GB memory, AMD Ryzen 9 5900 12-Core @ 3.00 GHz, NVIDIA GeForce RTX 3090 

    Laptop:  Windows 11 Pro 23H2, 32GB memory, Intel Core i7-10750H @ 2.60GHz, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU.
    Laptop 2: Windows 11 Pro 24H2,  16GB memory, Snapdragon(R) X Elite - X1E80100 - Qualcomm(R) Oryon(TM) 12 Core CPU 4.01 GHz, Qualcomm(R) Adreno(TM) X1-85 GPU
iPad:  iPad Pro M1, 12.9": iPadOS 18.3.1, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sequoia 15.0.1

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