Photoshop CC 2020 tutorial showing how to create an awesome, circular pixel stretch effect. Get 15% off BORIS FX OPTICS! - The BEST special effects plug-in for PHOTOS in Photoshop!

I've been trying to automate some image processing, and I'm pretty sure I'm missing something painfully obvious. What I want to do is mimic the black/white levels feature in photoshop - essentially ...