My article about high dynamic range photography was more popular than I had expected. Here’s a quick follow up for the people that are hooked.
You can also make an HDR image from one single exposure if you have a camera that can shoot RAW images. These files have more luminosity information than a finished JPG and through HDR you can bring out some of it.
You simply make two or three versions of the image from your RAW editing software. One under exposed where you adjust for the highlights. One normal. And one over exposed where you adjust for the shadows. Then you use your HDR software to put them together and tonemap.