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2.35:1 fixed setup – non-movie video issues?

845 Views 2 Replies 3 Participants Last post by  CAVX
My thread title is not the best, but I could not come up with a better one – sorry.

I am trying to get a feel for what issues arise when using a fixed 2.35:1 setup.

At this time I am leaning towards a “always 2.35:1†setup (if it will work) – 16x9 projector plus anamorphic lens that is always in stretch mode + 2.35:1 screen. Obviously something needs to stretch the electronic image vertically so that it works correctly – it seems the options are: (1) external scaler (2) HTPC (3) projector does stretch (did I miss something?) What do you have to do to get non-scope aspect stuff to display correctly?

By “stuffâ€, I mean both non-scope aspect movies AND non-movie video (DVD menus , HTPC control menus and software, etc)? It would seem that (1) external scaler – you need to change modes from 2.35:1 to 16x9 and back (one button on scaler remote?) What about HTPC? How do you make “non-movie†HTPC output workable on a setup that is always 2:35:1? If you use a projector that has a stretch – again – what about non-scope stuff – does it work correctly? Also – HDTV – option (2) HTPC is not workable – correct? HDTV must be done by (1) Scaler or (3) Projector? I am trying to figure out the practical issues involved with scope only setups. Thanks for any thoughts.
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The only way to do an "all-time" setup with lens in place is with an external scaler.

Alan's thread of CH products covers which one works best, I believe it's the Iscan HD+.

The reason I use my lens part time is because of your exact concerns. If I watch HD via cable, or PC games on the HTPC, the lens stretches everything.

If it's 2.35, I use my lens. So, menus are stretched/distorted, but that's no biggie in my book.
I just use the two settings on the projector and switch using the remote.

For 2.35:1, I use the 4 x 3 zoom mode + lens (see Image 1) and for 1.78:1 and 1.85:1, I use the regular (called normal on my projector) 4 x 3 mode + lens. This means the lens stays in place all the time, but allows me to view two different ARs without having change anything...

Image 1 - The Fifth Element in 2.35:1

Image 2 - The War Of The World in 1.85:1

Image 3 - Finding Nemo in 1.78:1

Due to the overscan issue with my projector and the fact that there is only 4% difference between 1.85:1 and 1.78:1, the last two images will look to be the same size...

And HDTV will look the same as Image 2 & 3...


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