https://www.shutterevolve.com/lumi32-powerful-32-bit-luminosity-mask-plugin/
Lumi32 is Finally Here – Powerful 32 bit Luminosity Mask Plugin
Features of the plugin
32 bit luminosity masks, expertly crafted from years of experience, that will give you the best possible selection in your photos.
Mask generation done outside Photoshop for greater precision and greater tone seperation.
100% user-defined masks, which means you can create your own presets within the plugin that you can quickly access whenever you need.
Create precise masks based on individual RGB channels.
Harness the power of LAB mode and Saturation masks.
Gain pin-perfect control with Zone Masks.
Point and Click for absolute convenience.
Convenient live histogram that shows you every single tone included in your mask.
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