Hello,
using HDR images (.exr or .hdr format) merged in photoshop CS6 or photomatix as source for SNS-HDR lite give a completely different tonality from merging LDR images directly in SNS-HDR lite using the very same settings.
I wanted to use the deghosting in photoshop and was really happy to discover that SNS-HDR can also read .exr and .hdr files. However, the colors are darker and way more saturated if I do so compared to the result I get when I feed the images directly to SNS-HDR. The source images are converted from raw in ACR using AdobeRGB color space, but converting them to sRGB color space doesn't help.
To cross-check this isn't a photoshop problem I did the merge to HDR step with photomatix and with PTGui with same results. I also tried -srgb option to no avail.
best regards