To show the adjustment brush mask in Lightroom, simply press the letter "O" key. This will toggle the visibility of the mask on and off.
Here's a breakdown of how it works and why it's useful:
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Purpose of the Adjustment Brush Mask: The adjustment brush tool allows you to make selective edits to specific areas of your image. The mask visually represents the area being affected by these adjustments.
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Toggling Mask Visibility: Pressing the "O" key is a quick and easy way to see exactly where your adjustments are being applied. This is crucial for ensuring precise and controlled edits.
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Fine-tuning the Mask: When the mask is visible, you can easily identify areas where the brushstrokes might need refinement. You can then adjust the size, feather, and flow of the brush to create a more accurate and seamless mask.
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Color Overlay: By default, the adjustment brush mask appears as a red overlay. This color can be changed in Lightroom's preferences if desired.
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Turning off the mask: Pressing "O" again will hide the mask, allowing you to view your edits without the visual overlay.
In short, using the "O" key to toggle the visibility of the adjustment brush mask is essential for making precise and effective local adjustments in Lightroom.
