To add to the vertical sizing discussion...
I believe the ECP-Graphics projector that Dean is using has 4:3 CRTs in it.
However, someone could design (though probably at extreme cost) a projector that uses 16:9 tubes instead of 4:3 tubes. Then add the vertical height and horizontal width adjustments, and it should be possible to go to 20:9 anamorphic squeeze mode.
The key, in my opinion, is to use native 16:9 tubes, like those found in pricey 16:9 HDTV direct-views.
Anyone for a $60,000 widescreen CRT projector? Maybe I need to contemplate a more lucrative career...
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Colin Dunn
DDS-006