Hi Joe, (click on the image to see it larger) I usually set up my DOF with the regular DOF and then change it to the Raytraced as a last step. The preview window doesn't accurately show the Ray traced version unless you close it and then open it again. (also, make sure that you are using the little red plus sign to "aim" the focus - you probably already know that...) The above image was a quickie that I set up with the standard tool and then converted to Raytraced. Raytraced DOF is processor intensive since it will calculate for reflected and transparent objects. If you have a slower computer or transparent/reflective objects, you will see a significant increase in render time since Carrara calculates the "inherited" light rays from other objects and does the math. The end results are superior to the regular DOF but you pay for it in time. Mark