**"My new project had zooming, rotating etc. etc. of the main camera. When I go to the first frame for the second rendering and dolly the camera, it only works for the first frame. There MUST be a way to tell the camera to be 6 inches or so to the right for the entire sequence without having to change each frame. Does anyone know how to do that?"**

Hi you can address this easily in your graph editor.
What is occurring is that you have key frames
affecting your camera position AFTER the First frame where you are setting the position  you would like for the rendering.
Probably left over from the first rendering sequence
you need to drag select and delete those keyframes  so your you camera does not move after the frame where you set it position.
I hope this is clear.

Cheers

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