Filters for blur/prism effects. Create stunning videos and photos with Fractal Filters. Each filter is specially designed to complement your shooting subject in a way that wouldn't be possible otherwise. Designed to be used at a focal length of 30mm-85mm; with an aperture of 1.4 - 5.6. Our "Ultimate Guide To Prism Photography" will teach you the best tricks for creating prismed images. High quality led crystal produces a refractive index of 1.6 making your images shine even more brilliantly than typical prisms. Our crystals are micro polished using the same techniques as high-end lenses. A thin profile ring (5mm) helps reduce possibility of vignetting or optical distortions at wide angles. It's mirror finish also can be used in your photos and videos to add more creative effects. The perfect complement for wedding photography, videography, portraits, and more. Shoot as you would typically; take your Fractal out using our convenient carrying case for a few snaps, and continue shooting as you were!