It?s my new lens, i like it, 500 mm reach, quality optics, build quality, tripod mount design, versatile zoom range and great price, not have OS and is a little bit heavy but is this "cons" is not a problem for my ;)
1. open image with teh software, RAW, diferent exposes or a single jpg.
2. Chose the type of processing, HDR or "fake" HDR.
3.Click in "Tone Map HDR file"
4. chose the settings... many types to chose...my favorite is "ultra-contrast" to the landscape and cityscape composition.