![]() ![]() Our reference image was made on Daisy Hill using a Pentax K-30 with a Hoya RM72 filter and an exposure of 3 sec at f/11 at ISO 1600. Having that reference image gives you a way of comparing real IR capture with ersatz infrared. This image will serve as a reference because it is a “true” infrared look at the scene that was converted to black and white using Adobe Camera Raw, ( The trees were then photographed as a straight color file that would later be converted into infrared using some of the software and techniques shown here. The first shot was made using Hoya’s ( RM72 filter that, as I write this, costs less than $60 for the 52mm threaded mount. How good is digital infrared emulation? To test the concept I made a few shots of trees using a tripod-mounted Pentax K-30 camera that has a 52mm threaded front lens element. If your camera doesn’t work with IR filters and your budget doesn’t permit converting your SLR for infrared-only capture, maybe it’s time to consider converting some of your existing RGB images into an IR “look” using emulation software. Using filters to directly capture infrared images has never been easier, but not all digital cameras have this ability and some have only a limited capability.
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