The version is 3.2, Picturenaut, simply great images. HDR Imaging done right. Picturenaut is an image editor focused on HDR generation from a series of bracketed exposures, tonemapping, and HDR editing. What image formats are supported by Picturenaut? HDR Formats 1. PFM (Portable Float Map) 2. HDR (Radiance) 3. EXR (OpenEXR) 4....