Hydra was an ancient water beast that carried nine heads around; when a head was cut off, two more grew in its place. I’m not sure whether the name is exactly appropriate for an application that works magic with High Dynamic Range (HDR) image processing… but let’s take a look at it. And maybe rename it HyDRa!

You can use Hydra as a plug-in for Aperture 3, Lightroom 2.x or as a stand-alone app. So, in typical fashion I jumped in feet first, with hardly a glance at the Help PDF to write this review.


Earlier, I had prepared a pair of images using a miniature setup. Kinda cute, they were models of a Kodak truck and a Brazilian townscape, the latter rendered …






