Often you want to apply an effect or adjustment to a whole picture, but not always. Sometimes you only want to apply it to part of the picture, and this is where the Luminar mask tools become really useful.
Brush
A simple manual tool for painting colour on to an image, making a selection or a mask, or applying an adjustment. You can change the size of the brush, its ‘hardness’ and its flow rate or opacity, all of which can help you adjust the effect and the way it’s built up.