Amazon.com : Fotga 77mm Six-in-One Adjustable Variable Infrared Filter IR Pass X-Ray Lens Filter 530nm to 650nm 680nm 720nm 750nm Lens Filter for DSLR Camera : Electronics
Amazon.com : Runshuangyu 55mm 6 in 1 Infrared IR Pass X-Ray Lens Filter, Adjustable 530nm to 750nm Screw-in Filter for Canon Nikon Sony Panasonic Fuji Kodak DSLR Camera : Electronics
Amazon.com: Infrared IR Filter 680nm 720nm 760nm 850nm 950nm X-RAY Infrared Filter for SLR DSLR Camera Lens (Caliber : 55mm, Color : IR590nm) : Electronics