Before Camera Raw and Lightroom, photographs were edited individually in Photoshop "non-destructively" with adjustment layers.
Some Lightroom edits are Global only… In the following example, the HSL Panel is a global tool. When you change Hue, Saturation, and Luminance in an image the edit is applied across the entire image.
To apply two different Global edits you need to send your Photograph to Photoshop and "blend or composite" the images in Photoshop Layers. In this example we will export a single image with 2 snapshots to Photoshop as a “Smart Object”
Learn how to do it → Editing in Photoshop as a Smart Object
Goal: to align backgrounds and merge parts of the image
Learn how to → Merge Layer Stacks …
The images do not need to be “raw” The goal is to remove objects in an image like noise or people or things. Eg) No Maiya!
Learn more about the Removal Technique →→ The
Occasionally the subject you are focused on isn’t all “in focus!”
It’s best to use a tripod to capture the image, and to take more than 2 photos carefully focusing each shot. In this example I only shot 2 photos, and as a result the middle is still slightly out of focus!
Learn more about Focus Layer Stacking →→ http://uofgts.com/Lightroom/FocusStacking.html