Infrared Photography - Tutorials - 3) Filters Comparison Here is the comparison of filter wavelengths of the 590, 665 and 720nm. Above 760nm as the 850 and 950nm, it's B&W. | Facebook
IR Filter Kit infrared Filter 62 mm 680nm+720nm+760nm+850nm+950nm for Camera | eBay
The Infrared Photography Tutorial: A Guideline for Your Ideal IR Solution