Astroimager Adam Block has produced three image-processing tutorials on 4-gigabyte USB flash drives. Each includes between 100 and 161 minutes of instructional video as well as the raw data for either ...

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. It has a wide range of features including image viewing, compression, resizing, retouching and colour ...

Discover how converging lenses create real and virtual images in this clear and engaging physics tutorial. This video breaks down the principles of refraction, focal points, and image formation, using ...

Sometimes you need to apply an effect to only a specific area of a clip, while leaving other portions of the image unaffected. For example, maybe you lit a scene unevenly, and want to brighten, darken ...