The Hoya R72 Infrared filter is a deep red filter that's almost opaque. It has always been used by creative film photographers in conjunction with special infrared film, but now digital camera owners ...
The Hoya Infrared (R72) filter simply screws on the to the front of your lens, whereas the Cokin Infrared 007 filter requires a Cokin filter holder. Adding an infrared filter in this way is much ...