Originally Posted by tim
Nice work; what PJ Height and Width are you running? Is it still punchy? :-)
Tim, screen is 65" x 156", each projector doing 65" x 86" with 10% overlap. I've only moved the Ultra's back 3 inches from before to fill the screen, so there'd be only a slight drop in light output in 16:9 mode , but because of the increased raster usage, it is brighter in 2.40.
It is super punchy in 16:9. Best I've seen it. When in 2.40 mode, it loses some. This is because you need to zoom in on the picture to fill the screen since your feeding it 16:9. So instead of watching 1080 horizontal lines, you're only getting 800 horizontal lines, which are stretched. I'm using the VP50 to achieve this CIH setup. Because of the reduced lines, I'm feeding 1600x1200 to each projector. If I move my viewing position back by another 1', the punchiness is back, so I think I'm going to move the stage/seating back some more.
Originally Posted by antorsae
1. Is it punchy? Would you go even a bit bigger?
2. What screen material? SMX? Gain?
Andres, see my reply above. No, this is the absolute maximum I'd ever think about going. The projectors are still running comfortably, and still have a short throw with this setup. Any wider, and you'll start losing that light output and have to drive them harder. The new HFQ lens really help going this size though, so I suggest you start looking!
No, not SMX. Even though by all reports this is a very good material, I am not in any need of perf screens. My speaker designer made the front speakers so the sound imaging still feels like it's coming from screen centre, and not below the screen, so it works a treat already, without compromising sound quality. Wanted to keep this audiophile grade
It's 1.0 Gain, and its amazing how much light is still coming off this thing. My belief is raising the screen gain means raising your black levels too (so worse On/Off CR??... darin??) In any case FTB is awesome, with no sign of the blend. Thanks Cliff for showing me this can be done.