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Help needed for outdoor projecter: Lumens vs. Definition

post #1 of 3
Thread Starter 
Hi all
I'm trying to set up an outdoor theater and i'm looking for the best projector to do the job.
A few details:
1.) I live in the city so at night there is always a bit of ambient glow at night, however i'm not around a any huge buildings so it can still get relatively dark.
2.) I am looking to project the on the side of a building, the space of which is around 330 square feet. I will probably paint this part of the wall with DIY black widow paint.
3.) Placement for the projector needs to be either 32 feet away from the wall or 18 feet away.
I'm hoping to fill most of the space of the 330 sq/ft wall with an image. What are my best options? Unfortunately I don't have a ton of money to spend (somewhere around $700). I have been looking at Optimos HD20 which I hear has a large throw distance and is a great 1080p projector for a budget, though its lumen count is only 1700. I'm wondering if it is worth while sacrificing definition in this case for greater brightness, maybe go with a 720p projector with higher lumens? I'll be mostly using the projector around twilight/night time. Daytime definition is not a huge deal.
I'm such a novice, any suggestions tongue.gif
Thanks so much guys so much for any help!!!
post #2 of 3
Some related links that might help you decide. http://www.avsforum.com/f/159/outdoor-theaters http://mobmov.org/manifesto/
post #3 of 3
I have an outdoor screen that's 1.3 gain and 20' diagonal. I was using that with a projector that was 1200 lumens (Infocus X10) front projected. Nights with a full moon were no good because of the orientation of my screen facing the light. I'd make sure the night was slightly overcast or a new moon phase for any movie nights. I live way in the sticks, and light spill from anywhere else is minimal.

I just purchased a new projector, and it happens that I have room behind my screen as well as in front of it. I'm considering going to a rear-projection setup for outdoors. I have a sample of the screen material and I'm strongly considering going that way to combat some of the light issues at dusk. That does involve a screen though, so that might not work for you. Especially since you expect to project a 25' diagonal or so.

Good luck.
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