Ok, how would i use depth of field, and have it always stay at the right focal point. For instance, could a controller ERC be used to lock on to genesis, and have it automatically adjust the DOF. If so how can that be done?

Select a camera, in the Parameters tab the DOF options are under 'Camera'.  When trying to set up the focus point and amount of area covered it is best to do it with a split viewport.  Have one viewport be the camera view and the other be perspective view.  In the perspective view you will be able to see the guides for DOF options.

There is no obvious way to do it with the default camera but I am reasonably sure a camera can be built in shader mixer that can do this. I don't know enough on how to track things to do it, sorry.

(sorry if you know this already, but here's my workflow)

To lump another input into the DoF arena, I use a separate camera in whichever tab  (usually posing) that is not connected to my main camera in use, essentially a third person perspective idea.

In the scene tab, I have the main camera I'm using for the render selected, but looking at the scene through the alternate camera, and start turning the DoF field on and the near and far planes on. I like to color my DoF orange or yellow and my planes red.

Anyway, I start moving the focus planes through either the focal distance and/or the DoF slider; a little ball that has a crosshair on it is the focal point of the 'lens' of the main camera. A lot of portrait people like to focus that ball on the eye of your subject, but if you're like me and build massive scenes, just center it on your character you want in focus and work the near and far planes accordingly. Easy peasy, and you'll get beautiful DoF effects.

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DOF in DS4

• Load a new camera
• Position that camera to frame the shot you want.
• Go to the parameters tab and turn on the DOF for that camera (camera 1) in the parameters tab
• What is in focus is shown between the two panels (you will have to switch the scene camera to perspective view to see the workings of your new camera)
• Adjust the focal distance and f/stop till the part of the image that you want in focus is between the two panels.
• switch your scene camera view to your new camera and render

opps...sorry I should have read closer that you wanted the dof to do something specific.

I made this tut for a friend before and just thoguht to throw it in here.

Sorry if the info is too basic for what you were asking.

Rawn

If you use Reality plugin with DS, you can select your target (i.e. right eye for example) for DOF in the scene tab, and then it will calculate the correct DOF for the camera and export the info to LUX for rendering. Move the camera or the subject and it will do the calculation automatically.