Key Differences: Unsharp Mask vs. High Pass Filtering

The Unsharp Mask is one of the oldest and most commonly used sharpening filters. Its name is a bit of a misnomer, as it doesn’t make things “unsharp”; rather, it’s derived from a traditional darkroom technique.
Key Features and Benefits of Proper Sharpening Timing

Sharpening is a crucial step in photo editing that enhances the perceived sharpness and detail in your images. However, applying it at the wrong stage can lead to undesirable artifacts, noise, or a less natural look. Knowing when to sharpen is just as important as knowing how to sharpen.
Enhancing Sharpness in Post-Production: A Comprehensive Guide

While capturing sharp images is crucial, post-production techniques can further enhance the clarity and detail of your footage.