These are photos that I've taken with my 400D or 5DmkI or II and the Hoya-R72 infrared filter. They're mostly long exposure shots as the R72 is not a hot filter replacement. And I now have an R-72 filter for both my 50mm f/1.8 and new 50mm f/1.4 [which also fits my 100mm f/2.8 macro].