A look at Infrared (IR) photography, where I show how a modified camera can see through the dark filter, and we then look at how to process the images in Lightroom, along with creating a custom camera profile.
May 23: a new video showing the effect from different types of filter has been added:
https://www.youtube.com/watch?v=Fq5lxVfTJHE
The profile editor can be found here:
https://supportdownloads.adobe.com/detail.jsp?ftpID=5494&red=a (windows)
https://supportdownloads.adobe.com/detail.jsp?ftpID=5493&red=a (mac)