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Anyone else notice this ...

XF3D is broadcast in 1080i 3D SBS mode. But most of the content there is actually 720p.

The Comcast OnDemand 3D section shows the same shows ... and they are indeed 720p original content ... ( top/bottom). When watched in that mode ... each eye gets 1280x360 and it looks passable.

When they upconvert the source to 1080i and broadcast the same thing in SBS mode ... there is a signficant drop in resolution. Each eye sees only 640x360 !!! The upconversion and change to SBS ... kills the watching pleasure.

Who can help ?