Fractal Filters: Glass filters for prism photography and video.
Kaleidoscope Filter (Pre Order) — Prism Lens FX | Kaleidoscope, Logo gifts, Photography filters
77mm Foreground Blur Camera Filter Handheld Kaleidoscope Glass Prism Lens for Photography Film Television Props SLR Accessories|Prisms| - AliExpress
Prism Lens FX launches three lens filters with built-in prism and flare effects: Digital Photography Review
How to Make a DIY Prism Lens Filter for Less Than $20 | PetaPixel
Camera Filters,Handheld Kaleidoscope Prism Lens 150Mm Semicircular Glass Filter FX Filter for All Cameras - buy Camera Filters,Handheld Kaleidoscope Prism Lens 150Mm Semicircular Glass Filter FX Filter for All Cameras: prices, reviews
These Lens Filters Have Prisms Built In for Creative Effects | PetaPixel
Special Effect Six Prism Lens Filter, 55mm Diameter - Camera Lens Filter — F Stop Cameras