steve40 wrote:
I use a R72 Hoya filter, and set a custom white balance with either a white sheet of printer paper, or the grass With the filter installed. If you try to set WB without the filter on the camera, it will not work.
Or you can use one of these in the proper size for your lens, I do, and it works great installed over the IR filter of course.
http://www.bhphotovideo.com/c/product/535317-REG/Dot_Line_DL_2577_77mm_White_Balance_Lens.html
AHGGG! Obviously more to it than meets the eye (is there a pun in there lol). I will click the links shortly.