Home Video Asylum

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Re: 16 FOOT WIDE Movie Screen at home help please

The key factor is lumens per given area (per sq. ft. in your case). Going to your larger screen dropped that by half, which is a bad thing since you don't have more lumens to compensate for that. Also, using that lens you mentioned will only drop your lumens output even more, so I don't think that will fix it. It is true that less light is lost the closer the projector is to the screen, but I don't think that the 5-20% loss incurred by the lens will be overcome by moving your projector closer. The lens certainly will not overcome the 50% drop in lumens incurred by moving to a much larger screen. You may attempt to try a high-gain screen, however on such a large screen with a low-light projector you will probably have issues with screen uniformity and viewing angles.

Honestly, for a 240" diagonal screen you really do need a "light cannon" projector, which are unfortunately expensive. You also want to be careful about just looking at lumens, because after calibration the light output drops quite a bit from maximum.


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  • Re: 16 FOOT WIDE Movie Screen at home help please - Chris S. 08:26:56 03/05/07 (0)

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