Vray physical cam maxwell parameters

hi
i found some new oarameter rollout for vray physical cam in Arch exterior. Vray physical cam rollout got additional Maxwell parameters with F-stop,shutter speed,Film ISO etc. is it any plugin or settings? if anyone know about this please share if you know more about it

http://www.chaosgroup.com/forums/vbulletin/showthread.php?t=46063