Nice work Blenderist. I’m completely new at blender but I’ve been practising some basics before I start attempting to model. Something I learnt yesterday was how to use the focal blur on the camera. This is for rendering using yafray only, but if you edit the camera you can modify the DOF distance and Aperture to focus on a part of your scene (Yafray DOF panel - after you select Yafray as the rendering engine).
The DOF distance shows a marker that moves along the line of vision from the camera so you can easily set it at the correct position on your object. The aperture setting will modify the size of the area around that position which is in focus.
If you do this you won’t need to postpro in photoshop and the focal blur will be correctly graduated.
The one thing I can’t figure out is how to get rid of the textured lens effect that comes with the blur - a smooth blur would be nice.
Here is a simple blend showing the effect. The attached sample also shows that DOF blur does not seem to occur in the reflection…