I have Trapcode Particular running as bouce off of a 3D layer ( floor ) however I noticed that when I fly by the falling particulars they do not reflect the depth focus distance of the camera. Anyway around this problem? Thanks.
Particular does not recognize depth of field. You can only work around this by creating a greyscale version of your setup that you use to drive compound blur and similar effects. Follow the linke in my signature to get some more insights.