Actually bloodsong, the way you described the Dolly camera is more like the Main or Aux cameras. The Dolly camera is the only camera in the Poser line-up that rotates around its own axis. With the Dolly camera you can pan, pitch and yaw...which ultimately gives you more realistic/predictable camera moves than the orbiting that the Main and Aux cams allow.

The focal length CAN be changed on the Dolly camera and with predictable results without altering its position or scale. This is proof that they were able to program focal correctly (or that they were able to hide whatever trick they used from us and the physics of the rest of the scene).

I always use the Dolly camera anyway, because it moves like I want it to move for my animations. But I think that, due to what we've found here, the Dolly camera should be the camera of choice for any render, animation or still, where lighting is important.

E-mail curious labs? You must be kidding. They might actually have real answers for me and that would take all the fun out of figuring this stuff out. That's almost as bad as reading the manual!