Explore NASA's sharpening technique in Photoshop with this informative video tutorial. Dive into the APF-R plug-in, which automates the sharpening method used by space telescopes and agencies like NASA and ESA. Learn how to apply this technique to astrophotography, portraits, and landscapes. Discover the inner workings of APF-R, including automatic blend if, finalizing the sharpening process, and making images extra crisp. Compare APF-R with Smart Sharpen and learn how to combine the two for optimal results. Gain insights on applying APF-R manually without the plugin and evaluate whether the APF-R plugin is worth incorporating into your workflow. Perfect your post-processing skills and elevate your image sharpening techniques with this comprehensive guide.