OK… I have done some more research. What I suggested in my first reply (borders of 104, video of 272) will work correctly IF you want to encode the video to a 4:3 ratio.
There is another thread on the forum discussing 2.35:1 conversion:
If you are using the latest D2S, ChickenMan states that you can select the “anamorphic” in the “conversion” menu. When the script pops up, you should see:
Using my .833333 conversion factor from above I would change this to:
However, the AVI Resizer Calculator that CM mentions in the other thread says:
I doubt you would be able to see the difference when it is on the tv. I would try one of the resolutions mentioned here and see how it goes.