This is a set from Ulanzi, including an anamorphic lens for smartphones, a DOF adapter, lens cap, and carrying case. You can shoot cinematic videos with your smartphone. I've used it a few times, but there are no noticeable scratches or stains. Please refrain from purchasing if you are sensitive to used items, as it has been stored at home. Thank you. ULANZI Widescreen Lens Smartphone Camera Lens 1.33X Anamorphic Lens, Shooting Extension Lens