Protective Glass 77mm HD MC UV Filter For: Pentax smc DA 12-24mm F4.0 ED AL (IF) 77mm Ultraviolet Filter, 77mm UV Filter, 77 mm UV Filter - Walmart.com
B + W 77mm UV Haze Multi-Resistant Coating (MRC) Glass Filter #010M 66-070252
Platinum™ 77mm UV Lens Filter PT-MCUVF77 - Best Buy