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This topic comprises 2 pages: 1 2
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Author
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Topic: Question regarding light output
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Mitch Davis
Film Handler
Posts: 10
From: Montreal, Quebec
Registered: May 2000
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posted 05-14-2000 11:30 AM
Got a newbie question for the group:I'm about to be getting a home 35mm projector with a 1000 Watt lamphouse. The thing is, I live in an apartment, and 1K might be a bit too bright for a 32 foot throw! The guy selling me the projector told me to just power the light on low, but I just read that this will kill the bulb much quicker. I realize that I can always defocus the bulb for a dimmer light output, but for some reason, I feel strange about doing that. I'm thinking about just using a 500 watt bulb instead. The big question is, if I install a 500 watt bulb in a lamphouse designed for 1K, am I asking for trouble? Cheers, Mitch Davis
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Michael Barry
Jedi Master Film Handler
![](http://www.film-tech.com/ubbmembers/237b.jpg)
Posts: 584
From: Sydney, NSW, Australia
Registered: Nov 1999
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posted 05-15-2000 12:04 AM
Mitch:I've seen 2K lamphouses illuminate screens of roughly the size and throw that you describe with spectacular results. I don't think that 1K is out of the question (from what I gather). A little too bright is a far better proposition than too dark (ahem!). If highlights flare or strobe then you can always cut back the current a little (as Brad suggested). If you get a chance, try experimenting with different screen surfaces because that will have a huge effect on the image.
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