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Amazon.com : B + W 77mm Infrared Filter # 092 (89B) : Camera Lens Infrared Filters : Electronics
Amazon.com : Fotga 52mm Six-in-One Adjustable Infrared IR Pass X-Ray Lens Filter 530nm to 650nm 680nm 720nm 750nm : Electronics
Amazon.com : (2 Pcs) 52-72MM Step-Up Ring Adapter, 52mm to 72mm Step Up Filter Ring, 52 mm Male 72 mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL
Amazon.com : Ruili 77mm Six-in-One Adjustable Infrared IR Pass X-Ray Lens Filter 530nm to 750nm Screw-in Filter for Canon Nikon Sony Panasonic Fuji Kodak DSLR Camera : Electronics
Amazon.com : 58mm X-Series IR720 IR 720nm Infrared Filter for Camera Lens Digital DSLR SLR : Electronics