K&F 79mm Handheld Kaleidoscope Filter KF01.2491 K&F 79mm Handheld Kaleidoscope Filter, Semicircular Special Effects Filter with 3pcs Vacuum Cleaning Cloths Nano-B Series. SKU: KF01.2491. Features Kaleidoscope Effect Using special optical design, this Handheld Kaleidoscope Filter from K&F Concept can create unique visual effects, produce light spots surrounding the subject or […]