67mm 590nm IR Filter Infrared Infra-Red Optical Grade Filter for Camera Lens Suitable for Crime Detection, Medical Photography : Electronics - Amazon.com
Infrared and ultraviolet photography
Amazon.com : ICE 1.25" UV IR Cut Filter Optical Glass Multi-Coated MC for Telescope : Electronics
Amazon.com : 82mm 680nm Infrared IR Optical Grade R72 Filter for Camera Lens : Electronics