Hi all,

**Trepz;

Yes' I learnt from such forums as the Cinema, Lightwave and so on..

bruno021;

The data inside an HDRI will be un-altered by the resizing, it's just like an EPS with a tiff preview, the tiff part is so you can see what it looks like, the actual drawing bit is mathmatically held within the PS part.
Same as an HDRI, the picture itself is only there for us humans, the computer knows how to interpret the mathmatical side, in an HDRI case, the different exposures.

Cheers
Chris**