The kaleidoscope filter bends and refracts light, transforming ordinary images into psychedelic, abstract, and dreamy works of art. K9 Optical Glass: K&F Concept Kaleidoscope Filter is made from K9 optical glass with high light transmission and excellent color performance, ensuring a clear and authentic image. Versatile use: The kaleidoscope filter allows multiple refractions of a single image depending on the focal length. Lenses with other diameters can use an adapter ring. The effect varies at different focal lengths. The recommended aperture range for shooting is between 2.8 and 7.0. Rotating frame: The adjustable frame provides flexibility to adapt to different environmental conditions. The surface of the frame is oxidized and sandblasted, effectively preventing stray light from entering. Art creation: This kaleidoscope filter is perfect for creating visual illusions and is ideal for photo creations. It is mainly used for films, music videos, branded content, night scenes, weddings, advertisements.