Note: Adobe has made extensive changes to Adobe Camera Raw since this lesson was recorded. You may want to watch this lesson which covers some of the changes before watching the lesson on this page.This lesson shows you how to get comfortable using the Range Mask feature in Lightroom, Adobe Camera Raw (ACR) and the Camera Raw filter in Photoshop. This is one method for utilizing Luminosity Masks to isolate areas based on brightness, but also allows you to isolate areas based on color. We'll explore how these features can improve the results of applying the Adjustment Brush, Graduated Filter and Radial Filter in Lightroom and Adobe Camera Raw.