Amazon.com : Urth x Gobe 49mm Infrared (R72) Lens Filter (Plus+) : Camera & Photo
Amazon.com : 49MM Ultimaxx Professional Six Piece Gradual Color Filter Kit (Orange, Yellow, Blue, Purple, Red, Grey) for Camera Lens with 49MM Filter Thread and Protective Filter Pouch : Camera & Photo
Amazon.com : Tiffen 49mm 21 Filter (Orange) & 49 Red 25 Filter : Camera & Photo
Amazon.com : Hoya 49mm Spectral Cross Lens Filter : Camera And Photography Products : Camera & Photo
Amazon.com : 49mm UV Filter for Select Canon, Nikon, Olympus, Panasonic, Pentax, Sony, Sigma, Tamron Digital Cameras, SLR Lenses, and Camcorders : Camera & Photo
Amazon.com : Tiffen 49mm 29 Filter (Red) : Camera Lens Filters : Camera & Photo
Amazon.com : Tiffen 49mm Haze-2A Filter : Camera Lens Filters : Camera & Photo
Amazon.com : PRO 49mm Filter Kit + PRO 49 mm Tulip Lens Hood for Canon EF 50mm f/1.8 STM - 49 mm Polarizing Filter, 49mm UV Filter, 49mm Florescent Filter & 49mm
Amazon.com : Neewer 49MM Lens Filter Kit(UV+CPL+ND4) with Filter Pouch for Sony Alpha NEX with 18-55MM, 55-210MM, 50MM, 16MM, 30MM lenses, Canon EF 50MM f/.1.8 STM Lens : Camera & Photo
Amazon.com: Tickas R-49 49mm Rapid Filter System Camera Lens ND Filter Metal Adapter Ring: Home & Kitchen
Amazon.com : Hoya 49mm Pop Lens Filter Set (Green Blue & Red) : Camera Lens Filter Sets : Camera & Photo
Amazon.com : Vu Sion 49mm UV Filter (VSUV49) : Camera & Photo
Amazon.com : B+W 49mm Infrared Pass Camera Lens Filter, Black 093 : Camera Lens Infrared Filters : Camera & Photo
Hoya 49 mm Pro ND 100 Filter: Amazon.co.uk: Camera & Photo
Amazon.com : Neewer 49MM Lens Filter and Accessory Kit, Includes: UV CPL FLD Filters, Macro Close Up Filter Set(+1 +2 +4 +10), ND2 ND4 ND8 Filters, Pouch Cap Hood, Fit for Sony
Amazon.com : Tiffen 49mm Photo Essentials Kit with UV Protector, 812 Color Warming, Circular Polarizing Glass Filters and 4 Pocket Pouch : Camera Lens Filter Sets : Camera & Photo
Amazon.com : Tiffen 4947B 49mm 47B Filter (Blue) : Camera Lens Effects Filters : Camera & Photo
Amazon.com : Tiffen 49mm 15 Filter (Yellow) : Camera Lens Color Correction And Compensation Filters : Camera & Photo