If you’re like me, you likely find that the Curves panel’s grid isn’t really precise. Though most of the time it’s a non-issue, it may be nice to add a bit more lines into that grid. And you can!
The trick to doing so is to ⌥-Click (Alt-click on Windows) on the curve. This will take the 4x4 grid and turn it into a 10x10 panel. Like this :
Did you know that trick existed? I just learned it a few days ago. Do you have any other tips and trick in Photoshop that aren’t very well know? Share them below in the comments!