StarFilter Pro 4 is a plug-in for Adobe Photoshop, Corel PaintShop / PHOTO-PAINT, and 8bf-compatible image editors. Add strikingly beautiful star filter effects to your images digitally, without the use of cumbersome glass filters! This plugin offers you the ability to control every aspect of the rendered effects, and provides mathematical simulation of diffraction, resulting in beautiful, natural, 3D-looking output.