Not sure... i had 5 exposures shot in JPEG -2, -1, 0 +1, +2 exposures
then tone mapped the Dynamic-Photo HDR.. i think i did bit of over-do tone mapping i guess..
But when i talk to some friends here.. they argue the best exposures for HDR is -5, 0 +5 (as in Nikon D90 D300 D700)