I think I finally figured out how to fit a CIH setup in my theater by changing the room layout orientation 90 degrees. So for the first time ever I am considering a CIH setup for my JVC RS-1 (which is on its way). I would like to use a Da-Lite High Power, but since it doesn't come in a 2.35:1 AR, I will have to build a frame myself (mine are better than any of the commercial ones anyway
). I started out by reading the CIH FAQ and reading through a few threads here, so I think I am ready to start asking for advice.
If I go with a 139" wide screen (Da-Lite's widest Model C), my projector would have have a 1.6X throw ratio at best (yes, I figured it on a 16:9 screen of the same height, not the 2.35:1 screen). But I have a closet behind my seating, and if I cut a hole in the wall, mounted the projector on a shelf so that just the lens stuck out I could then get 1.8X, which from everything I have read would be a better throw. If I made the screen smaller, that would in itself give me a larger throw ratio, but I would like to keep the image that big if it will work WELL.
Now for lens choices. I know that the RS-1 is not the most expensive PJ in the world, but I figure that I can always keep the lens for each successive projector - Is that correct? If so, then I would not mind spending more money on a lens than I would normally since I don't plan on owning ANY projector for more than one year. So far the contenders seem to be:
Schneider (I don't know what models)
Panamorph UH380 (I think that's right)
It seems as if the ISCO III and perhaps the Schneider (I have zero info on Schneider) would be the most expensive ones, but does the additional price delta buy anything besides a name? My priorities, in order, are:
1. Works WELL at my intended throw ratio
3. Free of chromatic abberation
4. Least amount of pincushioning
5. Convenience - Either leave the lens in place or have an EASY way to move it
6. Price - Everything else equal
, I want the best value
I may still reduce the screen size slightly (and thus increase the throw ratio) depending on how much light output I measure and track from the RS-1, but for now let's assume that I will be using a screen that big and at that throw ratio.
So what do you guys advise?