YOU CAN DO WHAT?
Advanced Image Workflow Enhancements
B&W, Sepia, & Color Toning
Also, as this is created as an adjustment layer, you can always go back and manipulate it by double- clicking on that layer.
Personally, I like the look with the gradients’ default settings, although I might perform another “Defog” step (or several). Try it!
To save time, you can create an action to perform this task. WHAT? What’s an action? OH ya, were getting to that!
Details HERE