Glass

K&F CONCEPT 67mm MC UV Lens Protection Filter with Lens Cap Cleaning Cloth Optical Glass Ultra Slim 18 Multi-Layer Coatings Camera Lens UV Filter (K-Series)

SmallRig UV Filter and Lens Hood All-in-One for RICOH GR IV GRIV with Silicone Protective Cap, Dedicated Sun Hood Reduce Straylight, Multi-Layer Coatings, Scratch Resistant - 5679

K&F CONCEPT MC UV (Black Frame), Camera Lens Protection Filter Compatible with Fujifilm X100 Series -X100/X100F/X100S/X100T/X100V/X100VI, 28 Multi-Coatings Waterproof HD UV Filter

Freewell UV Filter for Insta360 GO Ultra – Lens Protection & Clarity

K&F CONCEPT 82mm MC UV Protection Filter with 28 Multi-Layer Coatings HD/Hydrophobic/Scratch Resistant Ultra-Slim UV Filter for 82mm Camera Lens (Nano-X Series)

58mm Multi-Coated UV Protective Filter for Canon EF-S 18-55mm f/3.5-5.6 is SLR Lens + Microfiber Cleaning Cloth

Freewell UV Protect Your Expensive Camera from dust Dirt for Avata 2

49mm 7PC Filter Set for Canon EF 50mm f/1.8 STM Lens - Includes 3 PC Filter Kit (UV-CPL-FLD) and 4PC Close Up Filter Set (+1+2+4+10)